Results 41 to 50 of about 1,598,460 (356)

Thermodynamics of Quantum Causal Models: An Inclusive, Hamiltonian Approach [PDF]

open access: yesQuantum, 2020
Operational quantum stochastic thermodynamics is a recently proposed theory to study the thermodynamics of open systems based on the rigorous notion of a quantum stochastic process or quantum causal model.
Philipp Strasberg
doaj   +1 more source

Quantum thermodynamics of a quantum sized AdS black hole

open access: yesNuclear Physics B, 2022
In this paper, we investigate the effects of non-perturbative quantum gravitational corrections on a quantum sized AdS black hole. It will be observed that these non-perturbative quantum gravitational corrections modify the stability of this black hole ...
Behnam Pourhassan   +5 more
doaj   +1 more source

Thermodynamics at microscales: 3D→2D, 1D and 0D

open access: yesGreen Energy & Environment, 2020
Today, the laws of traditional thermodynamics are facing challenges when science is growing rapidly toward the microscale-world, even quantum hypothesis.
Kun Dong, Feng Huo, Suojiang Zhang
doaj   +1 more source

Verification of Information Thermodynamics in a Trapped Ion System

open access: yesEntropy, 2022
Information thermodynamics has developed rapidly over past years, and the trapped ions, as a controllable quantum system, have demonstrated feasibility to experimentally verify the theoretical predictions in the information thermodynamics.
Lei-Lei Yan   +4 more
doaj   +1 more source

First and Second Law of Quantum Thermodynamics: A Consistent Derivation Based on a Microscopic Definition of Entropy [PDF]

open access: yesPRX Quantum, 2020
Deriving the laws of thermodynamics from a microscopic picture is a central quest of statistical mechanics. This tutorial focuses on the derivation of the first and second law for isolated and open quantum systems far from equilibrium, where such ...
P. Strasberg, A. Winter
semanticscholar   +1 more source

Thermodynamic Implementations of Quantum Processes [PDF]

open access: yesCommunications in Mathematical Physics, 2021
AbstractRecent understanding of the thermodynamics of small-scale systems have enabled the characterization of the thermodynamic requirements of implementing quantum processes for fixed input states. Here, we extend these results to construct optimal universal implementations of a given process, that is, implementations that are accurate for any ...
Philippe Faist   +2 more
openaire   +6 more sources

Gaussian work extraction from random Gaussian states is nearly impossible

open access: yesPhysical Review Research, 2023
Quantum thermodynamics can be naturally phrased as a theory of quantum state transformation and energy exchange for small-scale quantum systems undergoing thermodynamical processes, thereby making the resource theoretical approach very well suited. A key
Uttam Singh   +2 more
doaj   +1 more source

Probabilistically violating the first law of thermodynamics in a quantum heat engine

open access: yesSciPost Physics, 2022
Fluctuations of thermodynamic observables, such as heat and work, contain relevant information on the underlying physical process. These fluctuations are however not taken into account in the traditional laws of thermodynamics. While the second law is
Timo Kerremans, Peter Samuelsson, Patrick P. Potts
doaj   +1 more source

Quantum Thermodynamics of Correlated-Catalytic State Conversion at Small Scale. [PDF]

open access: yesPhysical Review Letters, 2020
The class of possible thermodynamic conversions can be extended by introducing an auxiliary system called catalyst, which assists in state conversion while its own state remains unchanged.
Naoto Shiraishi, T. Sagawa
semanticscholar   +1 more source

Josephson quantum spin thermodynamics

open access: yesJournal of Physics: Condensed Matter, 2022
Abstract A 1D Josephson junction (JJ) loop, doped with a spin-flipper and attached to two thermal reservoirs is shown to operate as a heat engine, or a refrigerator, or a Joule pump or even as a cold pump. When operating as a quantum heat engine, the efficiency of this device exceeds that of some recent Josephson heat engine proposals ...
Subhajit Pal, Colin Benjamin
openaire   +3 more sources

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