@article{14246,
  abstract     = {The model of a ring threaded by the Aharonov-Bohm flux underlies our understanding of a coupling between gauge potentials and matter. The typical formulation of the model is based upon a single particle picture, and should be extended when interactions with other particles become relevant. Here, we illustrate such an extension for a particle in an Aharonov-Bohm ring subject to interactions with a weakly interacting Bose gas. We show that the ground state of the system can be described using the Bose-polaron concept—a particle dressed by interactions with a bosonic environment. We connect the energy spectrum to the effective mass of the polaron, and demonstrate how to change currents in the system by tuning boson-particle interactions. Our results suggest the Aharonov-Bohm ring as a platform for studying coherence and few- to many-body crossover of quasi-particles that arise from an impurity immersed in a medium.},
  author       = {Brauneis, Fabian and Ghazaryan, Areg and Hammer, Hans-Werner and Volosniev, Artem},
  issn         = {2399-3650},
  journal      = {Communications Physics},
  keywords     = {General Physics and Astronomy},
  publisher    = {Springer Nature},
  title        = {{Emergence of a Bose polaron in a small ring threaded by the Aharonov-Bohm flux}},
  doi          = {10.1038/s42005-023-01281-2},
  volume       = {6},
  year         = {2023},
}

@article{8652,
  abstract     = {Nature creates electrons with two values of the spin projection quantum number. In certain applications, it is important to filter electrons with one spin projection from the rest. Such filtering is not trivial, since spin-dependent interactions are often weak, and cannot lead to any substantial effect. Here we propose an efficient spin filter based upon scattering from a two-dimensional crystal, which is made of aligned point magnets. The polarization of the outgoing electron flux is controlled by the crystal, and reaches maximum at specific values of the parameters. In our scheme, polarization increase is accompanied by higher reflectivity of the crystal. High transmission is feasible in scattering from a quantum cavity made of two crystals. Our findings can be used for studies of low-energy spin-dependent scattering from two-dimensional ordered structures made of magnetic atoms or aligned chiral molecules.},
  author       = {Ghazaryan, Areg and Lemeshko, Mikhail and Volosniev, Artem},
  issn         = {2399-3650},
  journal      = {Communications Physics},
  publisher    = {Springer Nature},
  title        = {{Filtering spins by scattering from a lattice of point magnets}},
  doi          = {10.1038/s42005-020-00445-8},
  volume       = {3},
  year         = {2020},
}

@article{7530,
  abstract     = {In developing technologies based on superconducting quantum circuits, the need to control and route heating is a significant challenge in the experimental realisation and operation of these devices. One of the more ubiquitous devices in the current quantum computing toolbox is the transmon-type superconducting quantum bit, embedded in a resonator-based architecture. In the study of heat transport in superconducting circuits, a versatile and sensitive thermometer is based on studying the tunnelling characteristics of superconducting probes weakly coupled to a normal-metal island. Here we show that by integrating superconducting quantum bit coupled to two superconducting resonators at different frequencies, each resonator terminated (and thermally populated) by such a mesoscopic thin film metal island, one can experimentally observe magnetic flux-tunable photonic heat rectification between 0 and 10%.},
  author       = {Senior, Jorden L and Gubaydullin, Azat and Karimi, Bayan and Peltonen, Joonas T. and Ankerhold, Joachim and Pekola, Jukka P.},
  issn         = {2399-3650},
  journal      = {Communications Physics},
  number       = {1},
  publisher    = {Springer Nature},
  title        = {{Heat rectification via a superconducting artificial atom}},
  doi          = {10.1038/s42005-020-0307-5},
  volume       = {3},
  year         = {2020},
}