TY  - JOUR
A1  - Holmes, Zoe
A1  - Anders, Janet
A1  - Mintert, Florian
T1  - Enhanced energy transfer to an optomechanical piston from indistinguishable photons
JF  - Physical review letters
N2  - Thought experiments involving gases and pistons, such as Maxwell's demon and Gibbs' mixing, are central to our understanding of thermodynamics. Here, we present a quantum thermodynamic thought experiment in which the energy transfer from two photonic gases to a piston membrane grows quadratically with the number of photons for indistinguishable gases, while it grows linearly for distinguishable gases. This signature of bosonic bunching may be observed in optomechanical experiments, highlighting the potential of these systems for the realization of thermodynamic thought experiments in the quantum realm.
Y1  - 2020
U6  - https://doi.org/10.1103/PhysRevLett.124.210601
SN  - 0031-9007
SN  - 1079-7114
VL  - 124
IS  - 21
PB  - American Physical Society
CY  - College Park, Md.
ER  - 
TY  - JOUR
A1  - Mohammady, M. Hamed
A1  - Auffèves, Alexia
A1  - Anders, Janet
T1  - Energetic footprints of irreversibility in the quantum regime
JF  - Communications Physics
N2  - In classical thermodynamic processes the unavoidable presence of irreversibility, quantified by the entropy production, carries two energetic footprints: the reduction of extractable work from the optimal, reversible case, and the generation of a surplus of heat that is irreversibly dissipated to the environment. Recently it has been shown that in the quantum regime an additional quantum irreversibility occurs that is linked to decoherence into the energy basis. Here we employ quantum trajectories to construct distributions for classical heat and quantum heat exchanges, and show that the heat footprint of quantum irreversibility differs markedly from the classical case. We also quantify how quantum irreversibility reduces the amount of work that can be extracted from a state with coherences. Our results show that decoherence leads to both entropic and energetic footprints which both play an important role in the optimization of controlled quantum operations at low temperature.

In classical thermodynamics irreversibility occurs whenever a non-thermal system is brought into contact with a thermal environment. Using quantum trajectories the authors here establish two energetic footprints of quantum irreversible processes, and find that while quantum irreversibility leads to the occurrence of a quantum heat and a reduction of work production, the two are not linked in the same manner as the classical laws of thermodynamics would dictate.
KW  - entropy production
KW  - quantum mechanics
KW  - thermodynamics
Y1  - 2020
U6  - https://doi.org/10.1038/s42005-020-0356-9
SN  - 2399-3650
VL  - 3
IS  - 1
SP  - 1
EP  - 14
PB  - Springer Nature
CY  - London
ER  - 
TY  - GEN
A1  - Mohammady, M. Hamed
A1  - Auffèves, Alexia
A1  - Anders, Janet
T1  - Energetic footprints of irreversibility in the quantum regime
T2  - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe
N2  - In classical thermodynamic processes the unavoidable presence of irreversibility, quantified by the entropy production, carries two energetic footprints: the reduction of extractable work from the optimal, reversible case, and the generation of a surplus of heat that is irreversibly dissipated to the environment. Recently it has been shown that in the quantum regime an additional quantum irreversibility occurs that is linked to decoherence into the energy basis. Here we employ quantum trajectories to construct distributions for classical heat and quantum heat exchanges, and show that the heat footprint of quantum irreversibility differs markedly from the classical case. We also quantify how quantum irreversibility reduces the amount of work that can be extracted from a state with coherences. Our results show that decoherence leads to both entropic and energetic footprints which both play an important role in the optimization of controlled quantum operations at low temperature.

In classical thermodynamics irreversibility occurs whenever a non-thermal system is brought into contact with a thermal environment. Using quantum trajectories the authors here establish two energetic footprints of quantum irreversible processes, and find that while quantum irreversibility leads to the occurrence of a quantum heat and a reduction of work production, the two are not linked in the same manner as the classical laws of thermodynamics would dictate.
T3  - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 1435 
KW  - entropy production
KW  - quantum mechanics
KW  - thermodynamics
Y1  - 2020
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-516766
SN  - 1866-8372
IS  - 1
ER  -