Quantum Mpemba effect in a quantum dot with reservoirs
We demonstrate the quantum Mpemba effect in a quantum dot coupled to two reservoirs,
described by the Anderson model. We show that the system temperatures starting from two …
described by the Anderson model. We show that the system temperatures starting from two …
Thermal conductance of a single-electron transistor
We report on combined measurements of heat and charge transport through a single-
electron transistor. The device acts as a heat switch actuated by the voltage applied on the …
electron transistor. The device acts as a heat switch actuated by the voltage applied on the …
Recent Developments in Quantum‐Circuit Refrigeration
TF Mörstedt, A Viitanen, V Vadimov… - Annalen der …, 2022 - Wiley Online Library
The recent progress in direct active cooling of the quantum‐electric degrees of freedom in
engineered circuits, or quantum‐circuit refrigeration is reviewed. In 2017, the discovery of a …
engineered circuits, or quantum‐circuit refrigeration is reviewed. In 2017, the discovery of a …
Quasiparticle poisoning of superconducting qubits from resonant absorption of pair-breaking photons
The ideal superconductor provides a pristine environment for the delicate states of a
quantum computer: because there is an energy gap to excitations, there are no spurious …
quantum computer: because there is an energy gap to excitations, there are no spurious …
Relaxation of nonequilibrium quasiparticles in mesoscopic size superconductors
KY Arutyunov, SA Chernyaev… - Journal of Physics …, 2018 - iopscience.iop.org
Rapid development of micro-and nanofabrication methods have provoked interest and
enabled experimental studies of electronic properties of a vast class of (sub) micrometer …
enabled experimental studies of electronic properties of a vast class of (sub) micrometer …
Charge dynamics in quantum-circuit refrigeration: Thermalization and microwave gain
Previous studies of photon-assisted tunneling through normal-metal–insulator–
superconductor junctions have exhibited potential for providing a convenient tool to control …
superconductor junctions have exhibited potential for providing a convenient tool to control …
Transient transport spectroscopy of an interacting quantum dot proximized by a superconductor: Charge and heat currents after a switch
LC Ortmanns, J Splettstoesser, MR Wegewijs - Physical Review B, 2023 - APS
We analyze the time evolution of a quantum dot which is proximized by a large-gap
superconductor and weakly probed using the charge and heat currents into a wide-band …
superconductor and weakly probed using the charge and heat currents into a wide-band …
Fractionally charged zero-energy single-particle excitations in a driven Fermi sea
M Moskalets - Physical Review Letters, 2016 - APS
A voltage pulse of a Lorentzian shape carrying half of the flux quantum excites out of a zero-
temperature Fermi sea an electron in a mixed state, which looks like a quasiparticle with an …
temperature Fermi sea an electron in a mixed state, which looks like a quasiparticle with an …
Minimal excitation single-particle emitters: Comparison of charge-transport and energy-transport properties
We investigate different types of time-dependently driven single-particle sources whose
common feature is that they produce pulses of integer charge and minimally excite the Fermi …
common feature is that they produce pulses of integer charge and minimally excite the Fermi …
Andreev-Coulomb drag in coupled quantum dots
The Coulomb drag effect has been observed as a tiny current induced by both electron-hole
asymmetry and interactions in normal coupled quantum dot devices. In the present work we …
asymmetry and interactions in normal coupled quantum dot devices. In the present work we …