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Irreversible Work and Inner Friction in Quantum Thermodynamic Processes

AuthorsPlastina, Francesco; Alecce, A.; Apollaro, T. J. G.; Falcone, G.; Francica, G.; Galve, Fernando ; Lo Gullo, N.; Zambrini, Roberta
Issue Date31-Dec-2014
PublisherAmerican Physical Society
CitationPhysical Review Letters 113(26): 260601 (2014)
AbstractWe discuss the thermodynamics of closed quantum systems driven out of equilibrium by a change in a control parameter and undergoing a unitary process. We compare the work actually done on the system with the one that would be performed along ideal adiabatic and isothermal transformations. The comparison with the latter leads to the introduction of irreversible work, while that with the former leads to the introduction of inner friction. We show that these two quantities can be treated on an equal footing, as both can be linked with the heat exchanged in thermalization processes and both can be expressed as relative entropies. Furthermore, we show that a specific fluctuation relation for the entropy production associated with the inner friction exists, which allows the inner friction to be written in terms of its cumulants.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.113.260601
Appears in Collections:(IFISC) Artículos
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