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题名: Multiparticle quantum Szilard engine with optimal cycles assisted by a Maxwell
作者: Cai, CY ;  Dong, H ;  Sun, CP
刊名: PHYSICAL REVIEW E
出版日期: 2012
卷号: 85, 期号:3, 页码:31114
关键词: INFORMATION ;  PHYSICS
学科分类: Physics
通讯作者: Cai, CY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Cai, C. Y.; Dong, H.; Sun, C. P.] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We present a complete-quantum description of a multiparticle Szilard engine that consists of a working substance and a Maxwell's demon. The demon is modeled as a multilevel quantum system with specific quantum control, and the working substance consists of identical particles obeying Bose-Einstein or Fermi-Dirac statistics. In this description, a reversible scheme to erase the demon's memory by a lower-temperature heat bath is used. We demonstrate that (1) the quantum control of the demon can be optimized for a single-particle Szilard engine so that the efficiency of the demon-assisted thermodynamic cycle could reach the Carnot cycle's efficiency and (2) the low-temperature behavior of the working substance is very sensitive to the quantum statistics of the particles and the insertion position of the partition.
资助者: NSFC [10974209, 10935010]; National 973 program [2006CB921205]
收录类别: SCI
原文出处: 查看原文
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15145
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Cai, CY,Dong, H,Sun, CP. Multiparticle quantum Szilard engine with optimal cycles assisted by a Maxwell[J]. PHYSICAL REVIEW E,2012,85(3):31114.
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