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Dynamics of energy transport and entropy production in ac-driven quantum electron systems

AuthorsLudovico, María Florencia; Moskalets, Michael; Sánchez, David ; Arrachea, Liliana
Issue Date15-Jul-2016
PublisherAmerican Physical Society
CitationPhysical Review - Section B - Condensed Matter 94(3): 035436 (2016)
AbstractWe analyze the time-resolved energy transport and the entropy production in ac-driven quantum coherent electron systems coupled to multiple reservoirs at finite temperature. At slow driving, we formulate the first and second laws of thermodynamics valid at each instant of time. We identify heat fluxes flowing through the different pieces of the device and emphasize the importance of the energy stored in the contact and central regions for the second law of thermodynamics to be instantaneously satisfied. In addition, we discuss conservative and dissipative contributions to the heat flux and to the entropy production as a function of time. We illustrate these ideas with a simple model corresponding to a driven level coupled to two reservoirs with different chemical potentials.
Publisher version (URL)http://doi.org/10.1103/PhysRevB.94.035436
Appears in Collections:(IFISC) Artículos
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