---
_id: '14343'
abstract:
- lang: eng
  text: The total energy of an eigenstate in a composite quantum system tends to be
    distributed equally among its constituents. We identify the quantum fluctuation
    around this equipartition principle in the simplest disordered quantum system
    consisting of linear combinations of Wigner matrices. As our main ingredient,
    we prove the Eigenstate Thermalisation Hypothesis and Gaussian fluctuation for
    general quadratic forms of the bulk eigenvectors of Wigner matrices with an arbitrary
    deformation.
acknowledgement: "G.C. and L.E. gratefully acknowledge many discussions with Dominik
  Schröder at the preliminary stage of this project, especially his essential contribution
  to identify the correct generalisation of traceless observables to the deformed
  Wigner ensembles.\r\nL.E. and J.H. acknowledges support by ERC Advanced Grant ‘RMTBeyond’
  No. 101020331."
article_number: e74
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Giorgio
  full_name: Cipolloni, Giorgio
  id: 42198EFA-F248-11E8-B48F-1D18A9856A87
  last_name: Cipolloni
  orcid: 0000-0002-4901-7992
- first_name: László
  full_name: Erdös, László
  id: 4DBD5372-F248-11E8-B48F-1D18A9856A87
  last_name: Erdös
  orcid: 0000-0001-5366-9603
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Oleksii
  full_name: Kolupaiev, Oleksii
  id: 149b70d4-896a-11ed-bdf8-8c63fd44ca61
  last_name: Kolupaiev
citation:
  ama: Cipolloni G, Erdös L, Henheik SJ, Kolupaiev O. Gaussian fluctuations in the
    equipartition principle for Wigner matrices. <i>Forum of Mathematics, Sigma</i>.
    2023;11. doi:<a href="https://doi.org/10.1017/fms.2023.70">10.1017/fms.2023.70</a>
  apa: Cipolloni, G., Erdös, L., Henheik, S. J., &#38; Kolupaiev, O. (2023). Gaussian
    fluctuations in the equipartition principle for Wigner matrices. <i>Forum of Mathematics,
    Sigma</i>. Cambridge University Press. <a href="https://doi.org/10.1017/fms.2023.70">https://doi.org/10.1017/fms.2023.70</a>
  chicago: Cipolloni, Giorgio, László Erdös, Sven Joscha Henheik, and Oleksii Kolupaiev.
    “Gaussian Fluctuations in the Equipartition Principle for Wigner Matrices.” <i>Forum
    of Mathematics, Sigma</i>. Cambridge University Press, 2023. <a href="https://doi.org/10.1017/fms.2023.70">https://doi.org/10.1017/fms.2023.70</a>.
  ieee: G. Cipolloni, L. Erdös, S. J. Henheik, and O. Kolupaiev, “Gaussian fluctuations
    in the equipartition principle for Wigner matrices,” <i>Forum of Mathematics,
    Sigma</i>, vol. 11. Cambridge University Press, 2023.
  ista: Cipolloni G, Erdös L, Henheik SJ, Kolupaiev O. 2023. Gaussian fluctuations
    in the equipartition principle for Wigner matrices. Forum of Mathematics, Sigma.
    11, e74.
  mla: Cipolloni, Giorgio, et al. “Gaussian Fluctuations in the Equipartition Principle
    for Wigner Matrices.” <i>Forum of Mathematics, Sigma</i>, vol. 11, e74, Cambridge
    University Press, 2023, doi:<a href="https://doi.org/10.1017/fms.2023.70">10.1017/fms.2023.70</a>.
  short: G. Cipolloni, L. Erdös, S.J. Henheik, O. Kolupaiev, Forum of Mathematics,
    Sigma 11 (2023).
date_created: 2023-09-17T22:01:09Z
date_published: 2023-08-23T00:00:00Z
date_updated: 2023-12-13T12:24:23Z
day: '23'
ddc:
- '510'
department:
- _id: LaEr
- _id: GradSch
doi: 10.1017/fms.2023.70
ec_funded: 1
external_id:
  arxiv:
  - '2301.05181'
  isi:
  - '001051980200001'
file:
- access_level: open_access
  checksum: eb747420e6a88a7796fa934151957676
  content_type: application/pdf
  creator: dernst
  date_created: 2023-09-20T11:09:35Z
  date_updated: 2023-09-20T11:09:35Z
  file_id: '14352'
  file_name: 2023_ForumMathematics_Cipolloni.pdf
  file_size: 852652
  relation: main_file
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file_date_updated: 2023-09-20T11:09:35Z
has_accepted_license: '1'
intvolume: '        11'
isi: 1
language:
- iso: eng
license: https://creativecommons.org/licenses/by/4.0/
month: '08'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Forum of Mathematics, Sigma
publication_identifier:
  eissn:
  - 2050-5094
publication_status: published
publisher: Cambridge University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Gaussian fluctuations in the equipartition principle for Wigner matrices
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 11
year: '2023'
...
---
_id: '14421'
abstract:
- lang: eng
  text: Only recently has it been possible to construct a self-adjoint Hamiltonian
    that involves the creation of Dirac particles at a point source in 3d space. Its
    definition makes use of an interior-boundary condition. Here, we develop for this
    Hamiltonian a corresponding theory of the Bohmian configuration. That is, we (non-rigorously)
    construct a Markov jump process $(Q_t)_{t\in\mathbb{R}}$ in the configuration
    space of a variable number of particles that is $|\psi_t|^2$-distributed at every
    time t and follows Bohmian trajectories between the jumps. The jumps correspond
    to particle creation or annihilation events and occur either to or from a configuration
    with a particle located at the source. The process is the natural analog of Bell's
    jump process, and a central piece in its construction is the determination of
    the rate of particle creation. The construction requires an analysis of the asymptotic
    behavior of the Bohmian trajectories near the source. We find that the particle
    reaches the source with radial speed 0, but orbits around the source infinitely
    many times in finite time before absorption (or after emission).
acknowledgement: J H gratefully acknowledges partial financial support by the ERC
  Advanced Grant 'RMTBeyond' No. 101020331.
article_number: '445201'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Roderich
  full_name: Tumulka, Roderich
  last_name: Tumulka
citation:
  ama: 'Henheik SJ, Tumulka R. Creation rate of Dirac particles at a point source.
    <i>Journal of Physics A: Mathematical and Theoretical</i>. 2023;56(44). doi:<a
    href="https://doi.org/10.1088/1751-8121/acfe62">10.1088/1751-8121/acfe62</a>'
  apa: 'Henheik, S. J., &#38; Tumulka, R. (2023). Creation rate of Dirac particles
    at a point source. <i>Journal of Physics A: Mathematical and Theoretical</i>.
    IOP Publishing. <a href="https://doi.org/10.1088/1751-8121/acfe62">https://doi.org/10.1088/1751-8121/acfe62</a>'
  chicago: 'Henheik, Sven Joscha, and Roderich Tumulka. “Creation Rate of Dirac Particles
    at a Point Source.” <i>Journal of Physics A: Mathematical and Theoretical</i>.
    IOP Publishing, 2023. <a href="https://doi.org/10.1088/1751-8121/acfe62">https://doi.org/10.1088/1751-8121/acfe62</a>.'
  ieee: 'S. J. Henheik and R. Tumulka, “Creation rate of Dirac particles at a point
    source,” <i>Journal of Physics A: Mathematical and Theoretical</i>, vol. 56, no.
    44. IOP Publishing, 2023.'
  ista: 'Henheik SJ, Tumulka R. 2023. Creation rate of Dirac particles at a point
    source. Journal of Physics A: Mathematical and Theoretical. 56(44), 445201.'
  mla: 'Henheik, Sven Joscha, and Roderich Tumulka. “Creation Rate of Dirac Particles
    at a Point Source.” <i>Journal of Physics A: Mathematical and Theoretical</i>,
    vol. 56, no. 44, 445201, IOP Publishing, 2023, doi:<a href="https://doi.org/10.1088/1751-8121/acfe62">10.1088/1751-8121/acfe62</a>.'
  short: 'S.J. Henheik, R. Tumulka, Journal of Physics A: Mathematical and Theoretical
    56 (2023).'
date_created: 2023-10-12T12:42:53Z
date_published: 2023-10-11T00:00:00Z
date_updated: 2023-12-13T13:01:25Z
day: '11'
ddc:
- '510'
department:
- _id: GradSch
- _id: LaEr
doi: 10.1088/1751-8121/acfe62
ec_funded: 1
external_id:
  arxiv:
  - '2211.16606'
  isi:
  - '001080908000001'
file:
- access_level: open_access
  checksum: 5b68de147dd4c608b71a6e0e844d2ce9
  content_type: application/pdf
  creator: dernst
  date_created: 2023-10-16T07:07:24Z
  date_updated: 2023-10-16T07:07:24Z
  file_id: '14429'
  file_name: 2023_JourPhysics_Henheik.pdf
  file_size: 721399
  relation: main_file
  success: 1
file_date_updated: 2023-10-16T07:07:24Z
has_accepted_license: '1'
intvolume: '        56'
isi: 1
issue: '44'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: 'Journal of Physics A: Mathematical and Theoretical'
publication_identifier:
  eissn:
  - 1751-8121
  issn:
  - 1751-8113
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Creation rate of Dirac particles at a point source
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 56
year: '2023'
...
---
_id: '14542'
abstract:
- lang: eng
  text: "It is a remarkable property of BCS theory that the ratio of the energy gap
    at zero temperature Ξ\r\n and the critical temperature Tc is (approximately) given
    by a universal constant, independent of the microscopic details of the fermionic
    interaction. This universality has rigorously been proven quite recently in three
    spatial dimensions and three different limiting regimes: weak coupling, low density
    and high density. The goal of this short note is to extend the universal behavior
    to lower dimensions d=1,2 and give an exemplary proof in the weak coupling limit."
acknowledgement: We thank Robert Seiringer for comments on the paper. J. H. gratefully
  acknowledges  partial  financial  support  by  the  ERC  Advanced  Grant  “RMTBeyond”No.
  101020331.This research was funded in part by the Austrian Science Fund (FWF) grantnumber
  I6427.
article_number: '2360005 '
article_processing_charge: Yes (in subscription journal)
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Asbjørn Bækgaard
  full_name: Lauritsen, Asbjørn Bækgaard
  id: e1a2682f-dc8d-11ea-abe3-81da9ac728f1
  last_name: Lauritsen
  orcid: 0000-0003-4476-2288
- first_name: Barbara
  full_name: Roos, Barbara
  id: 5DA90512-D80F-11E9-8994-2E2EE6697425
  last_name: Roos
  orcid: 0000-0002-9071-5880
citation:
  ama: Henheik SJ, Lauritsen AB, Roos B. Universality in low-dimensional BCS theory.
    <i>Reviews in Mathematical Physics</i>. 2023. doi:<a href="https://doi.org/10.1142/s0129055x2360005x">10.1142/s0129055x2360005x</a>
  apa: Henheik, S. J., Lauritsen, A. B., &#38; Roos, B. (2023). Universality in low-dimensional
    BCS theory. <i>Reviews in Mathematical Physics</i>. World Scientific Publishing.
    <a href="https://doi.org/10.1142/s0129055x2360005x">https://doi.org/10.1142/s0129055x2360005x</a>
  chicago: Henheik, Sven Joscha, Asbjørn Bækgaard Lauritsen, and Barbara Roos. “Universality
    in Low-Dimensional BCS Theory.” <i>Reviews in Mathematical Physics</i>. World
    Scientific Publishing, 2023. <a href="https://doi.org/10.1142/s0129055x2360005x">https://doi.org/10.1142/s0129055x2360005x</a>.
  ieee: S. J. Henheik, A. B. Lauritsen, and B. Roos, “Universality in low-dimensional
    BCS theory,” <i>Reviews in Mathematical Physics</i>. World Scientific Publishing,
    2023.
  ista: Henheik SJ, Lauritsen AB, Roos B. 2023. Universality in low-dimensional BCS
    theory. Reviews in Mathematical Physics., 2360005.
  mla: Henheik, Sven Joscha, et al. “Universality in Low-Dimensional BCS Theory.”
    <i>Reviews in Mathematical Physics</i>, 2360005, World Scientific Publishing,
    2023, doi:<a href="https://doi.org/10.1142/s0129055x2360005x">10.1142/s0129055x2360005x</a>.
  short: S.J. Henheik, A.B. Lauritsen, B. Roos, Reviews in Mathematical Physics (2023).
date_created: 2023-11-15T23:48:14Z
date_published: 2023-10-31T00:00:00Z
date_updated: 2023-11-20T10:04:38Z
day: '31'
department:
- _id: GradSch
- _id: LaEr
- _id: RoSe
doi: 10.1142/s0129055x2360005x
ec_funded: 1
external_id:
  arxiv:
  - '2301.05621'
has_accepted_license: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://doi.org/10.1142/S0129055X2360005X
month: '10'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
- _id: bda63fe5-d553-11ed-ba76-a16e3d2f256b
  grant_number: I06427
  name: Mathematical Challenges in BCS Theory of Superconductivity
publication: Reviews in Mathematical Physics
publication_identifier:
  eissn:
  - 1793-6659
  issn:
  - 0129-055X
publication_status: epub_ahead
publisher: World Scientific Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Universality in low-dimensional BCS theory
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2023'
...
---
_id: '13317'
abstract:
- lang: eng
  text: We prove the Eigenstate Thermalisation Hypothesis (ETH) for local observables
    in a typical translation invariant system of quantum spins with L-body interactions,
    where L is the number of spins. This mathematically verifies the observation first
    made by Santos and Rigol (Phys Rev E 82(3):031130, 2010, https://doi.org/10.1103/PhysRevE.82.031130)
    that the ETH may hold for systems with additional translational symmetries for
    a naturally restricted class of observables. We also present numerical support
    for the same phenomenon for Hamiltonians with local interaction.
acknowledgement: "LE, JH, and VR were supported by ERC Advanced Grant “RMTBeyond”
  No. 101020331. SS was supported by KAKENHI Grant Number JP22J14935 from the Japan
  Society for the Promotion of Science (JSPS) and Forefront Physics and Mathematics
  Program to Drive Transformation (FoPM), a World-leading Innovative Graduate Study
  (WINGS) Program, the University of Tokyo.\r\nOpen access funding provided by The
  University of Tokyo."
article_number: '128'
article_processing_charge: Yes (in subscription journal)
article_type: original
arxiv: 1
author:
- first_name: Shoki
  full_name: Sugimoto, Shoki
  last_name: Sugimoto
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Volodymyr
  full_name: Riabov, Volodymyr
  id: 1949f904-edfb-11eb-afb5-e2dfddabb93b
  last_name: Riabov
- first_name: László
  full_name: Erdös, László
  id: 4DBD5372-F248-11E8-B48F-1D18A9856A87
  last_name: Erdös
  orcid: 0000-0001-5366-9603
citation:
  ama: Sugimoto S, Henheik SJ, Riabov V, Erdös L. Eigenstate thermalisation hypothesis
    for translation invariant spin systems. <i>Journal of Statistical Physics</i>.
    2023;190(7). doi:<a href="https://doi.org/10.1007/s10955-023-03132-4">10.1007/s10955-023-03132-4</a>
  apa: Sugimoto, S., Henheik, S. J., Riabov, V., &#38; Erdös, L. (2023). Eigenstate
    thermalisation hypothesis for translation invariant spin systems. <i>Journal of
    Statistical Physics</i>. Springer Nature. <a href="https://doi.org/10.1007/s10955-023-03132-4">https://doi.org/10.1007/s10955-023-03132-4</a>
  chicago: Sugimoto, Shoki, Sven Joscha Henheik, Volodymyr Riabov, and László Erdös.
    “Eigenstate Thermalisation Hypothesis for Translation Invariant Spin Systems.”
    <i>Journal of Statistical Physics</i>. Springer Nature, 2023. <a href="https://doi.org/10.1007/s10955-023-03132-4">https://doi.org/10.1007/s10955-023-03132-4</a>.
  ieee: S. Sugimoto, S. J. Henheik, V. Riabov, and L. Erdös, “Eigenstate thermalisation
    hypothesis for translation invariant spin systems,” <i>Journal of Statistical
    Physics</i>, vol. 190, no. 7. Springer Nature, 2023.
  ista: Sugimoto S, Henheik SJ, Riabov V, Erdös L. 2023. Eigenstate thermalisation
    hypothesis for translation invariant spin systems. Journal of Statistical Physics.
    190(7), 128.
  mla: Sugimoto, Shoki, et al. “Eigenstate Thermalisation Hypothesis for Translation
    Invariant Spin Systems.” <i>Journal of Statistical Physics</i>, vol. 190, no.
    7, 128, Springer Nature, 2023, doi:<a href="https://doi.org/10.1007/s10955-023-03132-4">10.1007/s10955-023-03132-4</a>.
  short: S. Sugimoto, S.J. Henheik, V. Riabov, L. Erdös, Journal of Statistical Physics
    190 (2023).
date_created: 2023-07-30T22:01:02Z
date_published: 2023-07-21T00:00:00Z
date_updated: 2023-12-13T11:38:44Z
day: '21'
ddc:
- '510'
- '530'
department:
- _id: LaEr
doi: 10.1007/s10955-023-03132-4
ec_funded: 1
external_id:
  arxiv:
  - '2304.04213'
  isi:
  - '001035677200002'
file:
- access_level: open_access
  checksum: c2ef6b2aecfee1ad6d03fab620507c2c
  content_type: application/pdf
  creator: dernst
  date_created: 2023-07-31T07:49:31Z
  date_updated: 2023-07-31T07:49:31Z
  file_id: '13325'
  file_name: 2023_JourStatPhysics_Sugimoto.pdf
  file_size: 612755
  relation: main_file
  success: 1
file_date_updated: 2023-07-31T07:49:31Z
has_accepted_license: '1'
intvolume: '       190'
isi: 1
issue: '7'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Journal of Statistical Physics
publication_identifier:
  eissn:
  - 1572-9613
  issn:
  - 0022-4715
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Eigenstate thermalisation hypothesis for translation invariant spin systems
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 190
year: '2023'
...
---
_id: '11732'
abstract:
- lang: eng
  text: We study the BCS energy gap Ξ in the high–density limit and derive an asymptotic
    formula, which strongly depends on the strength of the interaction potential V
    on the Fermi surface. In combination with the recent result by one of us (Math.
    Phys. Anal. Geom. 25, 3, 2022) on the critical temperature Tc at high densities,
    we prove the universality of the ratio of the energy gap and the critical temperature.
acknowledgement: "We are grateful to Robert Seiringer for helpful discussions and
  many valuable comments\r\non an earlier version of the manuscript. J.H. acknowledges
  partial financial support by the ERC Advanced Grant “RMTBeyond’ No. 101020331. Open
  access funding provided by Institute of Science and Technology (IST Austria)"
article_number: '5'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Asbjørn Bækgaard
  full_name: Lauritsen, Asbjørn Bækgaard
  id: e1a2682f-dc8d-11ea-abe3-81da9ac728f1
  last_name: Lauritsen
  orcid: 0000-0003-4476-2288
citation:
  ama: Henheik SJ, Lauritsen AB. The BCS energy gap at high density. <i>Journal of
    Statistical Physics</i>. 2022;189. doi:<a href="https://doi.org/10.1007/s10955-022-02965-9">10.1007/s10955-022-02965-9</a>
  apa: Henheik, S. J., &#38; Lauritsen, A. B. (2022). The BCS energy gap at high density.
    <i>Journal of Statistical Physics</i>. Springer Nature. <a href="https://doi.org/10.1007/s10955-022-02965-9">https://doi.org/10.1007/s10955-022-02965-9</a>
  chicago: Henheik, Sven Joscha, and Asbjørn Bækgaard Lauritsen. “The BCS Energy Gap
    at High Density.” <i>Journal of Statistical Physics</i>. Springer Nature, 2022.
    <a href="https://doi.org/10.1007/s10955-022-02965-9">https://doi.org/10.1007/s10955-022-02965-9</a>.
  ieee: S. J. Henheik and A. B. Lauritsen, “The BCS energy gap at high density,” <i>Journal
    of Statistical Physics</i>, vol. 189. Springer Nature, 2022.
  ista: Henheik SJ, Lauritsen AB. 2022. The BCS energy gap at high density. Journal
    of Statistical Physics. 189, 5.
  mla: Henheik, Sven Joscha, and Asbjørn Bækgaard Lauritsen. “The BCS Energy Gap at
    High Density.” <i>Journal of Statistical Physics</i>, vol. 189, 5, Springer Nature,
    2022, doi:<a href="https://doi.org/10.1007/s10955-022-02965-9">10.1007/s10955-022-02965-9</a>.
  short: S.J. Henheik, A.B. Lauritsen, Journal of Statistical Physics 189 (2022).
date_created: 2022-08-05T11:36:56Z
date_published: 2022-07-29T00:00:00Z
date_updated: 2023-09-05T14:57:49Z
day: '29'
ddc:
- '530'
department:
- _id: GradSch
- _id: LaEr
- _id: RoSe
doi: 10.1007/s10955-022-02965-9
ec_funded: 1
external_id:
  isi:
  - '000833007200002'
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  checksum: b398c4dbf65f71d417981d6e366427e9
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  creator: dernst
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has_accepted_license: '1'
intvolume: '       189'
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keyword:
- Mathematical Physics
- Statistical and Nonlinear Physics
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Journal of Statistical Physics
publication_identifier:
  eissn:
  - 1572-9613
  issn:
  - 0022-4715
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: The BCS energy gap at high density
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
volume: 189
year: '2022'
...
---
_id: '10600'
abstract:
- lang: eng
  text: We show that recent results on adiabatic theory for interacting gapped many-body
    systems on finite lattices remain valid in the thermodynamic limit. More precisely,
    we prove a generalized super-adiabatic theorem for the automorphism group describing
    the infinite volume dynamics on the quasi-local algebra of observables. The key
    assumption is the existence of a sequence of gapped finite volume Hamiltonians,
    which generates the same infinite volume dynamics in the thermodynamic limit.
    Our adiabatic theorem also holds for certain perturbations of gapped ground states
    that close the spectral gap (so it is also an adiabatic theorem for resonances
    and, in this sense, “generalized”), and it provides an adiabatic approximation
    to all orders in the adiabatic parameter (a property often called “super-adiabatic”).
    In addition to the existing results for finite lattices, we also perform a resummation
    of the adiabatic expansion and allow for observables that are not strictly local.
    Finally, as an application, we prove the validity of linear and higher order response
    theory for our class of perturbations for infinite systems. While we consider
    the result and its proof as new and interesting in itself, we also lay the foundation
    for the proof of an adiabatic theorem for systems with a gap only in the bulk,
    which will be presented in a follow-up article.
acknowledgement: J.H. acknowledges partial financial support from ERC Advanced Grant
  “RMTBeyond” No. 101020331.
article_number: '011901'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Stefan
  full_name: Teufel, Stefan
  last_name: Teufel
citation:
  ama: 'Henheik SJ, Teufel S. Adiabatic theorem in the thermodynamic limit: Systems
    with a uniform gap. <i>Journal of Mathematical Physics</i>. 2022;63(1). doi:<a
    href="https://doi.org/10.1063/5.0051632">10.1063/5.0051632</a>'
  apa: 'Henheik, S. J., &#38; Teufel, S. (2022). Adiabatic theorem in the thermodynamic
    limit: Systems with a uniform gap. <i>Journal of Mathematical Physics</i>. AIP
    Publishing. <a href="https://doi.org/10.1063/5.0051632">https://doi.org/10.1063/5.0051632</a>'
  chicago: 'Henheik, Sven Joscha, and Stefan Teufel. “Adiabatic Theorem in the Thermodynamic
    Limit: Systems with a Uniform Gap.” <i>Journal of Mathematical Physics</i>. AIP
    Publishing, 2022. <a href="https://doi.org/10.1063/5.0051632">https://doi.org/10.1063/5.0051632</a>.'
  ieee: 'S. J. Henheik and S. Teufel, “Adiabatic theorem in the thermodynamic limit:
    Systems with a uniform gap,” <i>Journal of Mathematical Physics</i>, vol. 63,
    no. 1. AIP Publishing, 2022.'
  ista: 'Henheik SJ, Teufel S. 2022. Adiabatic theorem in the thermodynamic limit:
    Systems with a uniform gap. Journal of Mathematical Physics. 63(1), 011901.'
  mla: 'Henheik, Sven Joscha, and Stefan Teufel. “Adiabatic Theorem in the Thermodynamic
    Limit: Systems with a Uniform Gap.” <i>Journal of Mathematical Physics</i>, vol.
    63, no. 1, 011901, AIP Publishing, 2022, doi:<a href="https://doi.org/10.1063/5.0051632">10.1063/5.0051632</a>.'
  short: S.J. Henheik, S. Teufel, Journal of Mathematical Physics 63 (2022).
date_created: 2022-01-03T12:19:48Z
date_published: 2022-01-03T00:00:00Z
date_updated: 2023-08-02T13:44:32Z
day: '03'
department:
- _id: GradSch
- _id: LaEr
doi: 10.1063/5.0051632
ec_funded: 1
external_id:
  arxiv:
  - '2012.15238'
  isi:
  - '000739446000009'
intvolume: '        63'
isi: 1
issue: '1'
keyword:
- mathematical physics
- statistical and nonlinear physics
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://doi.org/10.48550/arXiv.2012.15238
month: '01'
oa: 1
oa_version: Preprint
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Journal of Mathematical Physics
publication_identifier:
  eissn:
  - 1089-7658
  issn:
  - 0022-2488
publication_status: published
publisher: AIP Publishing
quality_controlled: '1'
status: public
title: 'Adiabatic theorem in the thermodynamic limit: Systems with a uniform gap'
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 63
year: '2022'
...
---
_id: '10623'
abstract:
- lang: eng
  text: We investigate the BCS critical temperature Tc in the high-density limit and
    derive an asymptotic formula, which strongly depends on the behavior of the interaction
    potential V on the Fermi-surface. Our results include a rigorous confirmation
    for the behavior of Tc at high densities proposed by Langmann et al. (Phys Rev
    Lett 122:157001, 2019) and identify precise conditions under which superconducting
    domes arise in BCS theory.
acknowledgement: I am very grateful to Robert Seiringer for his guidance during this
  project and for many valuable comments on an earlier version of the manuscript.
  Moreover, I would like to thank Asbjørn Bækgaard Lauritsen for many helpful discussions
  and comments, pointing out the reference [22] and for his involvement in a closely
  related joint project [13]. Finally, I am grateful to Christian Hainzl for valuable
  comments on an earlier version of the manuscript and Andreas Deuchert for interesting
  discussions.
article_number: '3'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
citation:
  ama: Henheik SJ. The BCS critical temperature at high density. <i>Mathematical Physics,
    Analysis and Geometry</i>. 2022;25(1). doi:<a href="https://doi.org/10.1007/s11040-021-09415-0">10.1007/s11040-021-09415-0</a>
  apa: Henheik, S. J. (2022). The BCS critical temperature at high density. <i>Mathematical
    Physics, Analysis and Geometry</i>. Springer Nature. <a href="https://doi.org/10.1007/s11040-021-09415-0">https://doi.org/10.1007/s11040-021-09415-0</a>
  chicago: Henheik, Sven Joscha. “The BCS Critical Temperature at High Density.” <i>Mathematical
    Physics, Analysis and Geometry</i>. Springer Nature, 2022. <a href="https://doi.org/10.1007/s11040-021-09415-0">https://doi.org/10.1007/s11040-021-09415-0</a>.
  ieee: S. J. Henheik, “The BCS critical temperature at high density,” <i>Mathematical
    Physics, Analysis and Geometry</i>, vol. 25, no. 1. Springer Nature, 2022.
  ista: Henheik SJ. 2022. The BCS critical temperature at high density. Mathematical
    Physics, Analysis and Geometry. 25(1), 3.
  mla: Henheik, Sven Joscha. “The BCS Critical Temperature at High Density.” <i>Mathematical
    Physics, Analysis and Geometry</i>, vol. 25, no. 1, 3, Springer Nature, 2022,
    doi:<a href="https://doi.org/10.1007/s11040-021-09415-0">10.1007/s11040-021-09415-0</a>.
  short: S.J. Henheik, Mathematical Physics, Analysis and Geometry 25 (2022).
date_created: 2022-01-13T15:40:53Z
date_published: 2022-01-11T00:00:00Z
date_updated: 2023-08-02T13:51:52Z
day: '11'
ddc:
- '514'
department:
- _id: GradSch
- _id: LaEr
doi: 10.1007/s11040-021-09415-0
ec_funded: 1
external_id:
  arxiv:
  - '2106.02015'
  isi:
  - '000741387600001'
file:
- access_level: open_access
  checksum: d44f8123a52592a75b2c3b8ee2cd2435
  content_type: application/pdf
  creator: cchlebak
  date_created: 2022-01-14T07:27:45Z
  date_updated: 2022-01-14T07:27:45Z
  file_id: '10624'
  file_name: 2022_MathPhyAnalGeo_Henheik.pdf
  file_size: 505804
  relation: main_file
  success: 1
file_date_updated: 2022-01-14T07:27:45Z
has_accepted_license: '1'
intvolume: '        25'
isi: 1
issue: '1'
keyword:
- geometry and topology
- mathematical physics
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
- _id: B67AFEDC-15C9-11EA-A837-991A96BB2854
  name: IST Austria Open Access Fund
publication: Mathematical Physics, Analysis and Geometry
publication_identifier:
  eissn:
  - 1572-9656
  issn:
  - 1385-0172
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: The BCS critical temperature at high density
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 25
year: '2022'
...
---
_id: '10642'
abstract:
- lang: eng
  text: Based on a result by Yarotsky (J Stat Phys 118, 2005), we prove that localized
    but otherwise arbitrary perturbations of weakly interacting quantum spin systems
    with uniformly gapped on-site terms change the ground state of such a system only
    locally, even if they close the spectral gap. We call this a strong version of
    the local perturbations perturb locally (LPPL) principle which is known to hold
    for much more general gapped systems, but only for perturbations that do not close
    the spectral gap of the Hamiltonian. We also extend this strong LPPL-principle
    to Hamiltonians that have the appropriate structure of gapped on-site terms and
    weak interactions only locally in some region of space. While our results are
    technically corollaries to a theorem of Yarotsky, we expect that the paradigm
    of systems with a locally gapped ground state that is completely insensitive to
    the form of the Hamiltonian elsewhere extends to other situations and has important
    physical consequences.
acknowledgement: J. H. acknowledges partial financial support by the ERC Advanced
  Grant “RMTBeyond” No. 101020331. S. T. thanks Marius Lemm and Simone Warzel for
  very helpful comments and discussions and Jürg Fröhlich for references to the literature.
  Open Access funding enabled and organized by Projekt DEAL.
article_number: '9'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Stefan
  full_name: Teufel, Stefan
  last_name: Teufel
- first_name: Tom
  full_name: Wessel, Tom
  last_name: Wessel
citation:
  ama: Henheik SJ, Teufel S, Wessel T. Local stability of ground states in locally
    gapped and weakly interacting quantum spin systems. <i>Letters in Mathematical
    Physics</i>. 2022;112(1). doi:<a href="https://doi.org/10.1007/s11005-021-01494-y">10.1007/s11005-021-01494-y</a>
  apa: Henheik, S. J., Teufel, S., &#38; Wessel, T. (2022). Local stability of ground
    states in locally gapped and weakly interacting quantum spin systems. <i>Letters
    in Mathematical Physics</i>. Springer Nature. <a href="https://doi.org/10.1007/s11005-021-01494-y">https://doi.org/10.1007/s11005-021-01494-y</a>
  chicago: Henheik, Sven Joscha, Stefan Teufel, and Tom Wessel. “Local Stability of
    Ground States in Locally Gapped and Weakly Interacting Quantum Spin Systems.”
    <i>Letters in Mathematical Physics</i>. Springer Nature, 2022. <a href="https://doi.org/10.1007/s11005-021-01494-y">https://doi.org/10.1007/s11005-021-01494-y</a>.
  ieee: S. J. Henheik, S. Teufel, and T. Wessel, “Local stability of ground states
    in locally gapped and weakly interacting quantum spin systems,” <i>Letters in
    Mathematical Physics</i>, vol. 112, no. 1. Springer Nature, 2022.
  ista: Henheik SJ, Teufel S, Wessel T. 2022. Local stability of ground states in
    locally gapped and weakly interacting quantum spin systems. Letters in Mathematical
    Physics. 112(1), 9.
  mla: Henheik, Sven Joscha, et al. “Local Stability of Ground States in Locally Gapped
    and Weakly Interacting Quantum Spin Systems.” <i>Letters in Mathematical Physics</i>,
    vol. 112, no. 1, 9, Springer Nature, 2022, doi:<a href="https://doi.org/10.1007/s11005-021-01494-y">10.1007/s11005-021-01494-y</a>.
  short: S.J. Henheik, S. Teufel, T. Wessel, Letters in Mathematical Physics 112 (2022).
date_created: 2022-01-18T16:18:25Z
date_published: 2022-01-18T00:00:00Z
date_updated: 2023-08-02T13:57:02Z
day: '18'
ddc:
- '530'
department:
- _id: GradSch
- _id: LaEr
doi: 10.1007/s11005-021-01494-y
ec_funded: 1
external_id:
  arxiv:
  - '2106.13780'
  isi:
  - '000744930400001'
file:
- access_level: open_access
  checksum: 7e8e69b76e892c305071a4736131fe18
  content_type: application/pdf
  creator: cchlebak
  date_created: 2022-01-19T09:41:14Z
  date_updated: 2022-01-19T09:41:14Z
  file_id: '10647'
  file_name: 2022_LettersMathPhys_Henheik.pdf
  file_size: 357547
  relation: main_file
  success: 1
file_date_updated: 2022-01-19T09:41:14Z
has_accepted_license: '1'
intvolume: '       112'
isi: 1
issue: '1'
keyword:
- mathematical physics
- statistical and nonlinear physics
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Letters in Mathematical Physics
publication_identifier:
  eissn:
  - 1573-0530
  issn:
  - 0377-9017
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
status: public
title: Local stability of ground states in locally gapped and weakly interacting quantum
  spin systems
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 112
year: '2022'
...
---
_id: '10643'
abstract:
- lang: eng
  text: "We prove a generalised super-adiabatic theorem for extended fermionic systems
    assuming a spectral gap only in the bulk. More precisely, we assume that the infinite
    system has a unique ground state and that the corresponding Gelfand–Naimark–Segal
    Hamiltonian has a spectral gap above its eigenvalue zero. Moreover, we show that
    a similar adiabatic theorem also holds in the bulk of finite systems up to errors
    that vanish faster than any inverse power of the system size, although the corresponding
    finite-volume Hamiltonians need not have a spectral gap.\r\n\r\n"
acknowledgement: J.H. acknowledges partial financial support by the ERC Advanced Grant
  ‘RMTBeyond’ No. 101020331. Support for publication costs from the Deutsche Forschungsgemeinschaft
  and the Open Access Publishing Fund of the University of Tübingen is gratefully
  acknowledged.
article_number: e4
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Stefan
  full_name: Teufel, Stefan
  last_name: Teufel
citation:
  ama: 'Henheik SJ, Teufel S. Adiabatic theorem in the thermodynamic limit: Systems
    with a gap in the bulk. <i>Forum of Mathematics, Sigma</i>. 2022;10. doi:<a href="https://doi.org/10.1017/fms.2021.80">10.1017/fms.2021.80</a>'
  apa: 'Henheik, S. J., &#38; Teufel, S. (2022). Adiabatic theorem in the thermodynamic
    limit: Systems with a gap in the bulk. <i>Forum of Mathematics, Sigma</i>. Cambridge
    University Press. <a href="https://doi.org/10.1017/fms.2021.80">https://doi.org/10.1017/fms.2021.80</a>'
  chicago: 'Henheik, Sven Joscha, and Stefan Teufel. “Adiabatic Theorem in the Thermodynamic
    Limit: Systems with a Gap in the Bulk.” <i>Forum of Mathematics, Sigma</i>. Cambridge
    University Press, 2022. <a href="https://doi.org/10.1017/fms.2021.80">https://doi.org/10.1017/fms.2021.80</a>.'
  ieee: 'S. J. Henheik and S. Teufel, “Adiabatic theorem in the thermodynamic limit:
    Systems with a gap in the bulk,” <i>Forum of Mathematics, Sigma</i>, vol. 10.
    Cambridge University Press, 2022.'
  ista: 'Henheik SJ, Teufel S. 2022. Adiabatic theorem in the thermodynamic limit:
    Systems with a gap in the bulk. Forum of Mathematics, Sigma. 10, e4.'
  mla: 'Henheik, Sven Joscha, and Stefan Teufel. “Adiabatic Theorem in the Thermodynamic
    Limit: Systems with a Gap in the Bulk.” <i>Forum of Mathematics, Sigma</i>, vol.
    10, e4, Cambridge University Press, 2022, doi:<a href="https://doi.org/10.1017/fms.2021.80">10.1017/fms.2021.80</a>.'
  short: S.J. Henheik, S. Teufel, Forum of Mathematics, Sigma 10 (2022).
date_created: 2022-01-18T16:18:51Z
date_published: 2022-01-18T00:00:00Z
date_updated: 2023-08-02T13:53:11Z
day: '18'
ddc:
- '510'
department:
- _id: GradSch
- _id: LaEr
doi: 10.1017/fms.2021.80
ec_funded: 1
external_id:
  arxiv:
  - '2012.15239'
  isi:
  - '000743615000001'
file:
- access_level: open_access
  checksum: 87592a755adcef22ea590a99dc728dd3
  content_type: application/pdf
  creator: cchlebak
  date_created: 2022-01-19T09:27:43Z
  date_updated: 2022-01-19T09:27:43Z
  file_id: '10646'
  file_name: 2022_ForumMathSigma_Henheik.pdf
  file_size: 705323
  relation: main_file
  success: 1
file_date_updated: 2022-01-19T09:27:43Z
has_accepted_license: '1'
intvolume: '        10'
isi: 1
keyword:
- computational mathematics
- discrete mathematics and combinatorics
- geometry and topology
- mathematical physics
- statistics and probability
- algebra and number theory
- theoretical computer science
- analysis
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Forum of Mathematics, Sigma
publication_identifier:
  eissn:
  - 2050-5094
publication_status: published
publisher: Cambridge University Press
quality_controlled: '1'
status: public
title: 'Adiabatic theorem in the thermodynamic limit: Systems with a gap in the bulk'
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 10
year: '2022'
...
---
_id: '12110'
abstract:
- lang: eng
  text: A recently proposed approach for avoiding the ultraviolet divergence of Hamiltonians
    with particle creation is based on interior-boundary conditions (IBCs). The approach
    works well in the non-relativistic case, i.e., for the Laplacian operator. Here,
    we study how the approach can be applied to Dirac operators. While this has successfully
    been done already in one space dimension, and more generally for codimension-1
    boundaries, the situation of point sources in three dimensions corresponds to
    a codimension-3 boundary. One would expect that, for such a boundary, Dirac operators
    do not allow for boundary conditions because they are known not to allow for point
    interactions in 3D, which also correspond to a boundary condition. Indeed, we
    confirm this expectation here by proving that there is no self-adjoint operator
    on a (truncated) Fock space that would correspond to a Dirac operator with an
    IBC at configurations with a particle at the origin. However, we also present
    a positive result showing that there are self-adjoint operators with an IBC (on
    the boundary consisting of configurations with a particle at the origin) that
    are away from those configurations, given by a Dirac operator plus a sufficiently
    strong Coulomb potential.
acknowledgement: "J.H. gratefully acknowledges the partial financial support by the
  ERC Advanced Grant “RMTBeyond” under Grant No. 101020331.\r\n"
article_number: '122302'
article_processing_charge: No
article_type: original
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Roderich
  full_name: Tumulka, Roderich
  last_name: Tumulka
citation:
  ama: Henheik SJ, Tumulka R. Interior-boundary conditions for the Dirac equation
    at point sources in three dimensions. <i>Journal of Mathematical Physics</i>.
    2022;63(12). doi:<a href="https://doi.org/10.1063/5.0104675">10.1063/5.0104675</a>
  apa: Henheik, S. J., &#38; Tumulka, R. (2022). Interior-boundary conditions for
    the Dirac equation at point sources in three dimensions. <i>Journal of Mathematical
    Physics</i>. AIP Publishing. <a href="https://doi.org/10.1063/5.0104675">https://doi.org/10.1063/5.0104675</a>
  chicago: Henheik, Sven Joscha, and Roderich Tumulka. “Interior-Boundary Conditions
    for the Dirac Equation at Point Sources in Three Dimensions.” <i>Journal of Mathematical
    Physics</i>. AIP Publishing, 2022. <a href="https://doi.org/10.1063/5.0104675">https://doi.org/10.1063/5.0104675</a>.
  ieee: S. J. Henheik and R. Tumulka, “Interior-boundary conditions for the Dirac
    equation at point sources in three dimensions,” <i>Journal of Mathematical Physics</i>,
    vol. 63, no. 12. AIP Publishing, 2022.
  ista: Henheik SJ, Tumulka R. 2022. Interior-boundary conditions for the Dirac equation
    at point sources in three dimensions. Journal of Mathematical Physics. 63(12),
    122302.
  mla: Henheik, Sven Joscha, and Roderich Tumulka. “Interior-Boundary Conditions for
    the Dirac Equation at Point Sources in Three Dimensions.” <i>Journal of Mathematical
    Physics</i>, vol. 63, no. 12, 122302, AIP Publishing, 2022, doi:<a href="https://doi.org/10.1063/5.0104675">10.1063/5.0104675</a>.
  short: S.J. Henheik, R. Tumulka, Journal of Mathematical Physics 63 (2022).
date_created: 2023-01-08T23:00:53Z
date_published: 2022-12-01T00:00:00Z
date_updated: 2023-08-03T14:12:01Z
day: '01'
ddc:
- '510'
department:
- _id: LaEr
doi: 10.1063/5.0104675
ec_funded: 1
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  - '000900748900002'
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oa_version: Published Version
project:
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  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Journal of Mathematical Physics
publication_identifier:
  issn:
  - 0022-2488
publication_status: published
publisher: AIP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Interior-boundary conditions for the Dirac equation at point sources in three
  dimensions
tmp:
  image: /images/cc_by.png
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  short: CC BY (4.0)
type: journal_article
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...
---
_id: '12184'
abstract:
- lang: eng
  text: We review recent results on adiabatic theory for ground states of extended
    gapped fermionic lattice systems under several different assumptions. More precisely,
    we present generalized super-adiabatic theorems for extended but finite and infinite
    systems, assuming either a uniform gap or a gap in the bulk above the unperturbed
    ground state. The goal of this Review is to provide an overview of these adiabatic
    theorems and briefly outline the main ideas and techniques required in their proofs.
acknowledgement: "It is a pleasure to thank Stefan Teufel for numerous interesting
  discussions, fruitful collaboration, and many helpful comments on an earlier version
  of the manuscript. J.H. acknowledges partial financial support from the ERC Advanced
  Grant No. 101020331 “Random\r\nmatrices beyond Wigner-Dyson-Mehta.” T.W. acknowledges
  financial support from the DFG research unit FOR 5413 “Long-range interacting quantum
  spin systems out of equilibrium: Experiment, Theory and Mathematics.\" "
article_number: '121101'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Tom
  full_name: Wessel, Tom
  last_name: Wessel
citation:
  ama: Henheik SJ, Wessel T. On adiabatic theory for extended fermionic lattice systems.
    <i>Journal of Mathematical Physics</i>. 2022;63(12). doi:<a href="https://doi.org/10.1063/5.0123441">10.1063/5.0123441</a>
  apa: Henheik, S. J., &#38; Wessel, T. (2022). On adiabatic theory for extended fermionic
    lattice systems. <i>Journal of Mathematical Physics</i>. AIP Publishing. <a href="https://doi.org/10.1063/5.0123441">https://doi.org/10.1063/5.0123441</a>
  chicago: Henheik, Sven Joscha, and Tom Wessel. “On Adiabatic Theory for Extended
    Fermionic Lattice Systems.” <i>Journal of Mathematical Physics</i>. AIP Publishing,
    2022. <a href="https://doi.org/10.1063/5.0123441">https://doi.org/10.1063/5.0123441</a>.
  ieee: S. J. Henheik and T. Wessel, “On adiabatic theory for extended fermionic lattice
    systems,” <i>Journal of Mathematical Physics</i>, vol. 63, no. 12. AIP Publishing,
    2022.
  ista: Henheik SJ, Wessel T. 2022. On adiabatic theory for extended fermionic lattice
    systems. Journal of Mathematical Physics. 63(12), 121101.
  mla: Henheik, Sven Joscha, and Tom Wessel. “On Adiabatic Theory for Extended Fermionic
    Lattice Systems.” <i>Journal of Mathematical Physics</i>, vol. 63, no. 12, 121101,
    AIP Publishing, 2022, doi:<a href="https://doi.org/10.1063/5.0123441">10.1063/5.0123441</a>.
  short: S.J. Henheik, T. Wessel, Journal of Mathematical Physics 63 (2022).
date_created: 2023-01-15T23:00:52Z
date_published: 2022-12-01T00:00:00Z
date_updated: 2023-08-04T09:14:57Z
day: '01'
ddc:
- '510'
department:
- _id: LaEr
doi: 10.1063/5.0123441
ec_funded: 1
external_id:
  arxiv:
  - '2208.12220'
  isi:
  - '000905776200001'
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- access_level: open_access
  checksum: 213b93750080460718c050e4967cfdb4
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  file_id: '12410'
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  file_size: 5251092
  relation: main_file
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file_date_updated: 2023-01-27T07:10:52Z
has_accepted_license: '1'
intvolume: '        63'
isi: 1
issue: '12'
language:
- iso: eng
month: '12'
oa: 1
oa_version: Published Version
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
  call_identifier: H2020
  grant_number: '101020331'
  name: Random matrices beyond Wigner-Dyson-Mehta
publication: Journal of Mathematical Physics
publication_identifier:
  issn:
  - 0022-2488
publication_status: published
publisher: AIP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: On adiabatic theory for extended fermionic lattice systems
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 63
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...
---
_id: '9285'
abstract:
- lang: eng
  text: We first review the problem of a rigorous justification of Kubo’s formula
    for transport coefficients in gapped extended Hamiltonian quantum systems at zero
    temperature. In particular, the theoretical understanding of the quantum Hall
    effect rests on the validity of Kubo’s formula for such systems, a connection
    that we review briefly as well. We then highlight an approach to linear response
    theory based on non-equilibrium almost-stationary states (NEASS) and on a corresponding
    adiabatic theorem for such systems that was recently proposed and worked out by
    one of us in [51] for interacting fermionic systems on finite lattices. In the
    second part of our paper, we show how to lift the results of [51] to infinite
    systems by taking a thermodynamic limit.
article_number: '2060004'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Sven Joscha
  full_name: Henheik, Sven Joscha
  id: 31d731d7-d235-11ea-ad11-b50331c8d7fb
  last_name: Henheik
  orcid: 0000-0003-1106-327X
- first_name: Stefan
  full_name: Teufel, Stefan
  last_name: Teufel
citation:
  ama: 'Henheik SJ, Teufel S. Justifying Kubo’s formula for gapped systems at zero
    temperature: A brief review and some new results. <i>Reviews in Mathematical Physics</i>.
    2021;33(01). doi:<a href="https://doi.org/10.1142/s0129055x20600041">10.1142/s0129055x20600041</a>'
  apa: 'Henheik, S. J., &#38; Teufel, S. (2021). Justifying Kubo’s formula for gapped
    systems at zero temperature: A brief review and some new results. <i>Reviews in
    Mathematical Physics</i>. World Scientific Publishing. <a href="https://doi.org/10.1142/s0129055x20600041">https://doi.org/10.1142/s0129055x20600041</a>'
  chicago: 'Henheik, Sven Joscha, and Stefan Teufel. “Justifying Kubo’s Formula for
    Gapped Systems at Zero Temperature: A Brief Review and Some New Results.” <i>Reviews
    in Mathematical Physics</i>. World Scientific Publishing, 2021. <a href="https://doi.org/10.1142/s0129055x20600041">https://doi.org/10.1142/s0129055x20600041</a>.'
  ieee: 'S. J. Henheik and S. Teufel, “Justifying Kubo’s formula for gapped systems
    at zero temperature: A brief review and some new results,” <i>Reviews in Mathematical
    Physics</i>, vol. 33, no. 01. World Scientific Publishing, 2021.'
  ista: 'Henheik SJ, Teufel S. 2021. Justifying Kubo’s formula for gapped systems
    at zero temperature: A brief review and some new results. Reviews in Mathematical
    Physics. 33(01), 2060004.'
  mla: 'Henheik, Sven Joscha, and Stefan Teufel. “Justifying Kubo’s Formula for Gapped
    Systems at Zero Temperature: A Brief Review and Some New Results.” <i>Reviews
    in Mathematical Physics</i>, vol. 33, no. 01, 2060004, World Scientific Publishing,
    2021, doi:<a href="https://doi.org/10.1142/s0129055x20600041">10.1142/s0129055x20600041</a>.'
  short: S.J. Henheik, S. Teufel, Reviews in Mathematical Physics 33 (2021).
date_created: 2021-03-26T11:29:46Z
date_published: 2021-02-01T00:00:00Z
date_updated: 2023-02-23T13:53:59Z
day: '01'
ddc:
- '500'
doi: 10.1142/s0129055x20600041
extern: '1'
external_id:
  arxiv:
  - '2002.08669'
has_accepted_license: '1'
intvolume: '        33'
issue: '01'
keyword:
- Mathematical Physics
- Statistical and Nonlinear Physics
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://arxiv.org/abs/2002.08669
month: '02'
oa: 1
oa_version: Preprint
publication: Reviews in Mathematical Physics
publication_identifier:
  issn:
  - 0129-055X
  - 1793-6659
publication_status: published
publisher: World Scientific Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Justifying Kubo’s formula for gapped systems at zero temperature: A brief
  review and some new results'
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 33
year: '2021'
...
