期刊
PHYSICAL REVIEW A
卷 99, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.99.022129
关键词
-
资金
- DFG [SFB 910, BR 1928/9-1]
- Center for Excitonics, an Energy Frontier Research Center - U.S. Department of Energy [DE-SC0001088]
The power and efficiency of many-body heat engines can be boosted by performing cooperative nonadiabatic operations in contrast to the commonly used adiabatic implementations. Here the key property relies on the fact that nonadiabaticity is required in order to allow for cooperative effects that can use the thermodynamic resources only present in the collective nonpassive state of a many-body system. In particular, we consider the efficiency of an Otto cycle, which increases with the number of copies used and reaches a many-body bound, which we discuss analytically.
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