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Liao, Jie-Qiao; Dong, H.; Sun, C. P.; Liao, JQ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
Single-particle machine for quantum thermalization
发表期刊PHYSICAL REVIEW A
关键词Superconducting Qubit Statistical-mechanics Pumping Statistics Atomic-injection Micromaser Maser States Coherence Dynamics Photon
摘要The long time accumulation of the random actions of a single particle "reservoir" on its coupled system can transfer some temperature information of its initial state to the coupled system. This dynamic process can be referred to as a quantum thermalization in the sense that the coupled system can reach a stable thermal equilibrium with a temperature equal to that of the reservoir. We illustrate this idea based on the usual micromaser model, in which a series of initially prepared two-level atoms randomly pass through an electromagnetic cavity. It is found that, when the randomly injected atoms are initially prepared in a thermal equilibrium state with a given temperature, the cavity field will reach a thermal equilibrium state with the same temperature as that of the injected atoms. As in two limit cases, the cavity field can be cooled and "coherently heated" as a maser process, respectively, when the injected atoms are initially prepared in ground and excited states. Especially, when the atoms in equilibrium are driven to possess some coherence, the cavity field may reach a higher temperature in comparison with the injected atoms. We also point out a possible experimental test for our theoretical prediction based on a superconducting circuit QED system.
2010
ISSN1050-2947
卷号81期号:5页码:-
学科领域Physics
收录类别SCI
项目资助者NSFC[10935010, 10775048]; NFRPC[2006CB921205, 2007CB925204] ; NSFC[10935010, 10775048]; NFRPC[2006CB921205, 2007CB925204] ; NSFC[10935010, 10775048]; NFRPC[2006CB921205, 2007CB925204] ; NSFC[10935010, 10775048]; NFRPC[2006CB921205, 2007CB925204]
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5111
专题理论物理所科研产出_SCI论文
通讯作者Liao, JQ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
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Liao, Jie-Qiao,Dong, H.,Sun, C. P.,et al. Single-particle machine for quantum thermalization[J]. PHYSICAL REVIEW A,2010,81(5):-.
APA Liao, Jie-Qiao,Dong, H.,Sun, C. P.,&Liao, JQ , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.(2010).Single-particle machine for quantum thermalization.PHYSICAL REVIEW A,81(5),-.
MLA Liao, Jie-Qiao,et al."Single-particle machine for quantum thermalization".PHYSICAL REVIEW A 81.5(2010):-.
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