Maxwell's demon assisted thermodynamic cycle in superconducting quantum circuits

被引：146
|
作者：
Quan, H. T. [1 ]
Wang, Y. D.
Liu, Yu-xi
Sun, C. P.
Nori, Franco
机构：
[1] Inst Phys & Chem Res, RIKEN, Frontier Res Syst, Wako, Saitama 3510198, Japan
[2] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[3] Univ Michigan, CSCS, Ctr Theoret Phys, Dept Phys, Ann Arbor, MI 48109 USA
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 18期
关键词：
D O I：
10.1103/PhysRevLett.97.180402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study a new quantum heat engine (QHE), which is assisted by a Maxwell's demon. The QHE requires three steps: thermalization, quantum measurement, and quantum feedback controlled by the Maxwell demon. We derive the positive-work condition and operation efficiency of this composite QHE. Using controllable superconducting quantum circuits as an example, we show how to construct our QHE. The essential role of the demon is explicitly demonstrated in this macroscopic QHE.
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页数：4
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