Reference : Thermodynamics of quantum-jump-conditioned feedback control
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/16309
Thermodynamics of quantum-jump-conditioned feedback control
English
Strasberg, P. [Teschische Universität Berlin > Institut für Theoretische Physik]
Schaller, G. [Technische Universität Berlin > Institut für Theoretische Physik]
Brandes, T. [Technische Universität Berlin > Institut für Theoretische Physik]
Esposito, Massimiliano mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Dec-2013
Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics
American Physical Society
88
062107
Yes (verified by ORBilu)
International
1539-3755
1550-2376
College Park
MD
[en] We consider open quantum systems weakly coupled to thermal reservoirs and subjected to quantum feedback
operations triggered with or without delay by monitored quantum jumps. We establish a thermodynamic
description of such systems and analyze how the first and second law of thermodynamics are modified by
the feedback. We apply our formalism to study the efficiency of a qubit subjected to a quantum feedback control
and operating as a heat pump between two reservoirs. We also demonstrate that quantum feedbacks can be used
to stabilize coherences in nonequilibrium stationary states which in some cases may even become pure quantum
states.
http://hdl.handle.net/10993/16309
10.1103/PhysRevE.88.062107

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