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	Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality
	Liao, Jie-Qiao; Huang, Jin-Feng; Li, Yong; Kuang, Le-Man; Sun, C. P.; Huang, JF , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Peoples R China
刊名	PHYSICAL REVIEW A
	2009
卷号	80期号:6页码:-
关键词	Quantized Radiation Field Statistical Mechanics Phase-transition Dicke-model
ISSN号	1050-2947
英文摘要	We study the dynamic sensitivity of an atomic ensemble dressed by a single-mode cavity field (called a photon-dressed atomic ensemble), which is described by the Dicke model near the quantum critical point. It is shown that when an extra atom in a pure initial state passes through the cavity, the photon-dressed atomic ensemble will experience a quantum phase transition showing an explicit sudden change in its dynamics characterized by the Loschmidt echo of this quantum critical system. With such dynamic sensitivity, the Dicke model can resemble the cloud chamber for detecting a flying particle by the enhanced trajectory due to the classical phase transition.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000273233800180
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5197]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Huang, JF , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Peoples R China
推荐引用方式 GB/T 7714	Liao, Jie-Qiao,Huang, Jin-Feng,Li, Yong,et al. Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality[J]. PHYSICAL REVIEW A,2009,80(6):-.
APA	Liao, Jie-Qiao,Huang, Jin-Feng,Li, Yong,Kuang, Le-Man,Sun, C. P.,&Huang, JF , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Peoples R China.(2009).Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality.PHYSICAL REVIEW A,80(6),-.
MLA	Liao, Jie-Qiao,et al."Dynamic sensitivity of photon-dressed atomic ensemble with quantum criticality".PHYSICAL REVIEW A 80.6(2009):-.

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