Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Jussiau, Etienne"'
We propose cyclic quantum refrigeration in solid-state, employing a gas of magnetic field vortices in a type-II superconductor -- also known as fluxons -- as the cooling agent. Refrigeration cycles are realized by envisioning a racetrack geometry con
Externí odkaz:
http://arxiv.org/abs/2212.00277
We propose a many-body quantum engine powered by the energy difference between the entangled ground state of the interacting system and local separable states. Performing local energy measurements on an interacting many-body system can produce excite
Externí odkaz:
http://arxiv.org/abs/2208.07225
Publikováno v:
Phys. Rev. B 104, 045414 (2021)
We study a chain of alternating hot and cold electronic nanocavities -- connected to one another via resonant-tunneling quantum dots -- with the intent of achieving precise thermal control across the chain. This is accomplished by positioning the dot
Externí odkaz:
http://arxiv.org/abs/2103.05831
Publikováno v:
Phys. Rev. B 102, 235427 (2020)
We propose a quantum absorption refrigerator using the quantum physics of resonant tunneling through quantum dots. The cold and hot reservoirs are fermionic leads, tunnel coupled via quantum dots to a central fermionic cavity, and we propose configur
Externí odkaz:
http://arxiv.org/abs/2010.06024
Publikováno v:
Phys. Rev. B 103, 085402 (2021)
We investigate the influence of a weakly nonlinear Josephson bath consisting of a chain of Josephson junctions on the dynamics of a small quantum system (LC oscillator). Focusing on the regime where the charging energy is the largest energy scale, we
Externí odkaz:
http://arxiv.org/abs/2008.08052
Autor:
Jussiau, Étienne, Whitney, Robert S.
Publikováno v:
EPL 129, 47001 (2020)
We study transport through a single-level system placed between two reservoirs with band-structure, taking strong level-reservoir coupling of the order of the energy-scales of these band-structures. An exact solution in the absence of interactions gi
Externí odkaz:
http://arxiv.org/abs/1912.08701
Publikováno v:
Phys. Rev. B 100, 125420 (2019)
We use exact techniques to demonstrate theoretically the pumping of fractional charges in a single-level non-interacting quantum dot, when the dot-reservoir coupling is adiabatically driven from weak to strong coupling. The pumped charge averaged ove
Externí odkaz:
http://arxiv.org/abs/1904.06488
Publikováno v:
Phys. Rev. B 100, 115411 (2019)
We study a quantum dot coupled to two semiconducting reservoirs, when the dot level and the electrochemical potential are both close to a band edge in the reservoirs. This is modelled with an exactly solvable Hamiltonian without interactions (the Fan
Externí odkaz:
http://arxiv.org/abs/1811.11550
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Akademický článek
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