期刊
PHYSICAL REVIEW E
卷 80, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.80.041119
关键词
entropy; heat engines; nonequilibrium thermodynamics; quantum theory
资金
- University Grants Commission, India [F.6-1(28)/2007(MRP/Sc/NRCB)]
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 analyze its properties.
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