Quantum Anti-Zeno Effect in Artificial Quantum Systems

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	Quantum Anti-Zeno Effect in Artificial Quantum Systems
	Ai Qing; Liao Jie-Qiao; Ai, Q , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
刊名	COMMUNICATIONS IN THEORETICAL PHYSICS
	2010
卷号	54 期号:6 页码:985-996
关键词	Dissipative System Photonic Crystal Decay Nanocavity
ISSN号	0253-6102
英文摘要	In this paper, we study a quantum anti-Zeno effect (QAZE)purely induced by repetitive measurements for an artificial atom interacting with a structured bath. This bath can be artificially realized with coupled resonators in one dimension and possesses photonic band structure like Bloch electron in a periodic potential. In the presence of repetitive measurements, the pure QAZE is discovered as the observable decay is not negligible even for the atomic energy level spacing outside of the energy band of the artificial bath. If there were no measurements, the decay would not happen outside of the band. In this sense, the enhanced decay is completely induced by measurements through the relaxation channels provided by the bath. Besides, we also discuss the controversial golden rule decay rates originated from the van Hove's singularities and the effects of the counter-rotating terms.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000285409300007
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5000]
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	Ai, Q , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Ai Qing,Liao Jie-Qiao,Ai, Q , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China. Quantum Anti-Zeno Effect in Artificial Quantum Systems[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2010,54(6):985-996.
APA	Ai Qing,Liao Jie-Qiao,&Ai, Q , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.(2010).Quantum Anti-Zeno Effect in Artificial Quantum Systems.COMMUNICATIONS IN THEORETICAL PHYSICS,54(6),985-996.
MLA	Ai Qing,et al."Quantum Anti-Zeno Effect in Artificial Quantum Systems".COMMUNICATIONS IN THEORETICAL PHYSICS 54.6(2010):985-996.