Heat due to system-reservoir correlations in thermal equilibrium

Joachim Ankerhold, J.P. Pekola

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)
145 Downloads (Pure)


The heat flow between a quantum system and its reservoir is analyzed when initially both are in a separable thermal state and asymptotically approach a correlated equilibrium. General findings are illustrated for specific systems and various classes of non-Markovian reservoirs relevant for solid state realizations. System-bath correlations are shown to be substantial at low temperatures even in the weak coupling regime. As a consequence, predictions of work and heat for actual experiments obtained within conventional perturbative approaches may often be questionable. Correlations induce characteristic imprints in heat capacities which opens a proposal to measure them in solid state devices.
Original languageEnglish
Article number075421
Pages (from-to)1-6
Number of pages6
JournalPhysical Review B
Issue number7
Publication statusPublished - 22 Aug 2014
MoE publication typeA1 Journal article-refereed


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