Quantum heat engines and nonequilibrium temperature
arXiv:0909.4394 · doi:10.1103/PhysRevE.80.041119
Abstract
A pair of two-level systems initially prepared in different thermal states and coupled to an external reversible work source, do not in general reach a common temperature at the end of a unitary work extraction process. We define an effective temperature for the final nonequilibrium but passive state of the bipartite quantum system and analyse its properties.
Five pages, Accepted for publication in Physical Review E
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