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Theory of the photonic Joule effect in superconducting circuits
Samuel Cailleaux, Quentin Ficheux, Nicolas Roch +1
When a small system is coupled to a bath, it is generally assumed that the state of the bath remains unaffected by the system due to the bath's large number of degrees of freedom.…
Scattering approach to near-field radiative heat transfer
Matthias Hübler, Denis M. Basko, Wolfgang Belzig
We formulate the problem of near-field radiative heat transfer as an effective quantum scattering theory for excitations of the matter. Built from the same ingredients as the semic…
Going beyond Landauer scattering theory to describe spatially-resolved non-local heating and cooling in quantum thermoelectrics
Nico G. Leumer, Denis M. Basko, Rodolfo A. Jalabert +2
Spatially-resolved heating and cooling in nanostructures is nowadays measured with various nanoscale thermometry techniques, including scanning thermometry. Yet the most commonly u…
Direct detection of down-converted photons spontaneously produced at a single Josephson junction
Dorian Fraudet, Izak Snyman, Denis M. Basko +7
We study spontaneous photon decay into multiple photons triggered by strong non-linearities in a superconducting quantum simulator of the boundary sine-Gordon impurity model. Previ…
Theory of quasiparticle-induced errors in driven-dissipative Schrödinger cat qubits
Kirill Dubovitskii, Denis M. Basko, Julia S. Meyer +1
Understanding the mechanisms of qubit decoherence is a crucial prerequisite for improving the qubit performance. In this work we discuss the effects of residual Bogolyubov quasipar…
Exchange-split multiple Rydberg series of excitons in anisotropic quasi two-dimensional ReS
P. Kapuściński, J. Dzian, A. O. Slobodeniuk +6
We perform a polarization-resolved magnetoluminescence study of excitons in ReS. We observe that two linearly polarized Rydberg series of excitons are accompanied by two other…
Signature of resonant modes in radiative heat current noise spectrum
J. L. Wise, N. Roubinowitz, W. Belzig +1
Radiative heat transfer between bodies is often dominated by a narrow resonance in the transmission, e.~g. due to a cavity mode or a surface excitation. However, this resonant char…
Local bistability under microwave heating for spatially mapping disordered superconductors
D. B. Karki, R. S. Whitney, D. M. Basko
We theoretically study a strongly disordered superconducting layer heated by near-field microwave radiation from a nanometric metallic tip. The microwaves heat up the quasiparticle…
Superradiant Quantum Phase transition for Landau Polaritons with Rashba and Zeeman couplings
Guillaume Manzanares, Thierry Champel, Denis Basko +1
We develop a theory of cavity quantum electrodynamics for a two-dimensional electron gas in the presence of Rashba spin-orbit and Zeeman couplings and perpendicular magnetic field,…
Near field versus far field in radiative heat transfer between two-dimensional metals
Jonathan L. Wise, Denis M. Basko
Using the standard fluctuational electrodynamics framework, we analytically calculate the radiative heat current between two thin metallic layers, separated by a vacuum gap. We ana…
Flipping exciton angular momentum with chiral phonons in MoSe/WSe heterobilayers
A. Delhomme, D. Vaclavkova, A. Slobodeniuk +11
Identifying quantum numbers to label elementary excitations is essential for the correct description of light-matter interaction in solids. In monolayer semiconducting transition m…
Role of disorder in plasmon-assisted near-field heat transfer between two-dimensional metals
Jonathan L. Wise, Denis M. Basko, Frank W. J. Hekking
We perform a theoretical study of the near-field heat transfer between two atomically thin metallic layers, isolated galvanically but coupled by the Coulomb interaction, within the…
Superconductor-insulator transition in Josephson junction chains by quantum Monte-Carlo
D. M. Basko, F. Pfeiffer, P. Adamus +2
We study the zero-temperature phase diagram of a dissipationless and disorder-free Josephson junction chain. Namely, we determine the critical Josephson energy below which the chai…
Optical properties of graphene quantum dots: the role of chiral symmetry
Denis M. Basko, Ivan Duchemin, Xavier Blase
We analyse the electronic and optical properties of graphene quantum dots (GQD) using accurate \textit{ab initio} many-body and Bethe-Salpeter calculations. We show that most…
A photonic crystal Josephson traveling wave parametric amplifier
Luca Planat, Arpit Ranadive, Remy Dassonneville +7
An amplifier combining noise performances as close as possible to the quantum limit with large bandwidth and high saturation power is highly desirable for many solid state quantum…
Probing and manipulating valley coherence of dark excitons in monolayer WSe
M. R. Molas, A. O. Slobodeniuk, T. Kazimierczuk +10
Monolayers of semiconducting transition metal dichalcogenides are two-dimensional direct-gap systems which host tightly-bound excitons with an internal degree of freedom correspond…
Non-equilibrium quasiparticles in superconducting circuits: photons vs. phonons
G. Catelani, D. M. Basko
We study the effect of non-equilibrium quasiparticles on the operation of a superconducting device (a qubit or a resonator), including heating of the quasiparticles by the device o…
Brightening of dark excitons in monolayers of semiconducting transition metal dichalcogenides
M. R. Molas, C. Faugeras, A. O. Slobodeniuk +4
We present low temperature magneto-photoluminescence experiments which demonstrate the brightening of dark excitons by an in-plane magnetic field applied to monolayers of diffe…
Landau-Zener-Stueckelberg physics with a singular continuum of states
D. M. Basko
This work addresses the dynamical quantum problem of a driven discrete energy level coupled to a semi-infinite continuum whose density of states has a square-root-type singularity,…
Recovery of a SINIS turnstile accuracy in a strongly non-equilibrium regime
I. M. Khaymovich, D. M. Basko
We perform a theoretical study of non-equilibrium effects in charge transport through a hybrid single-electron transistor based on a small normal metal (N) island with the gate-con…
Exciton-phonon relaxation bottleneck and radiative decay of thermal exciton reservoir in two-dimensional materials
A. O. Slobodeniuk, D. M. Basko
We study exciton radiative decay in a two-dimensional material, taking into account large thermal population in the non-radiative states, from which excitons are scattered into the…
Inhomogeneous Josephson junction chains for superinductance optimization
D. V. Nguyen, D. M. Basko
We report a theoretical study of the low-frequency impedance of a Josephson junction chain whose parameters vary in space. Our goal is to find the optimal spatial profile which max…
Spin-flip processes and radiative decay of dark intravalley excitons in transition metal dichalcogenide monolayers
A. O. Slobodeniuk, D. M. Basko
We perform a theoretical study of radiative decay of dark intravalley excitons in transition metal dichalcogenide monolayers. This decay necessarily involves an electronic spin fli…
Single Quantum Level Electron Turnstile
D. M. T. van Zanten, D. M. Basko, I. M. Khaymovich +3
We report on the realization of a single-electron source, where current is transported through a single-level quantum dot (Q), tunnel-coupled to two superconducting leads (S). When…