ITP OpenIR  > 理论物理所2013年知识产出
Quantum anti-Zeno effect without wave function reduction
Ai, Q; Xu, DZ; Yi, S; Kofman, AG; Sun, CP; Nori, F; Sun, CP (reprint author), RIKEN, CEMS, 2-1 Hirosawa, Wako, Saitama 3510198, Japan.
2013
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号3期号:-页码:1752
摘要We study the measurement-induced enhancement of the spontaneous decay for a two-level subsystem, where measurements are treated as couplings between the excited state and an auxiliary state rather than the von Neumann's wave function reduction. The photon radiated in a fast decay of the atom, from the auxiliary state to the excited state, triggers a quasi-measurement, as opposed to a projection measurement. Our use of the term "quasi-measurement" refers to a "coupling-based measurement". Such frequent quasi-measurements result in an exponential decay of the survival probability of atomic initial state with a photon emission following each quasi-measurement. Our calculations show that the effective decay rate is of the same form as the one based on projection measurements. The survival probability of the atomic initial state obtained by tracing over all the photon states is equivalent to that of the atomic initial state with a photon emission following each quasi-measurement.
部门归属[Ai, Qing; Xu, Dazhi; Yi, Su; Kofman, A. G.; Sun, C. P.; Nori, Franco] RIKEN, CEMS, Wako, Saitama 3510198, Japan; [Ai, Qing; Xu, Dazhi; Yi, Su] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Kofman, A. G.; Nori, Franco] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA; [Sun, C. P.] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China; [Nori, Franco] Korea Univ, Dept Phys, Seoul 136713, South Korea
关键词Hidden-variable Theories Decay Paradox Decoherence Collapse System
学科领域Physics
资助者ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584] ; ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584] ; ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584] ; ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584]
URL查看原文
收录类别SCI
语种英语
资助者ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584] ; ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584] ; ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584] ; ARO; JSPS-RFBR [12-02-92100]; MEXT Kakenhi on Quantum Cybernetics; JSPS via its FIRST program; NSFC [10935010]; China Postdoctoral Science Foundation [20100470584]
WOS记录号WOS:000318537900001
引用统计
被引频次:15[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/311006/15367
专题理论物理所2013年知识产出
通讯作者Sun, CP (reprint author), RIKEN, CEMS, 2-1 Hirosawa, Wako, Saitama 3510198, Japan.
推荐引用方式
GB/T 7714
Ai, Q,Xu, DZ,Yi, S,et al. Quantum anti-Zeno effect without wave function reduction[J]. SCIENTIFIC REPORTS,2013,3(-):1752.
APA Ai, Q.,Xu, DZ.,Yi, S.,Kofman, AG.,Sun, CP.,...&Sun, CP .(2013).Quantum anti-Zeno effect without wave function reduction.SCIENTIFIC REPORTS,3(-),1752.
MLA Ai, Q,et al."Quantum anti-Zeno effect without wave function reduction".SCIENTIFIC REPORTS 3.-(2013):1752.
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