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题名: Quantum Zeno switch for single-photon coherent transport
作者: Zhou, Lan ;  Yang, S. ;  Liu, Yu-xi ;  Sun, C. P. ;  Nori, Franco
刊名: PHYSICAL REVIEW A
出版日期: 2009
卷号: 80, 期号:6, 页码:-
关键词: PARADOX ;  DECOHERENCE ;  SUPPRESSION
学科分类: Physics
通讯作者: Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China
部门归属: [Zhou, L] Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China; [Zhou, L; Liu, YX; Sun, CP; Nori, F] RIKEN, Inst Phys & Chem Res, Adv Sci Inst, Wako, Saitama 3510198, Japan; [Yang, S; Sun, CP] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Liu, YX; Nori, F] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan; [Nori, F] Univ Michigan, Ctr Theoret Phys, Dept Phys, Ctr Study Complex Syst, Ann Arbor, MI 48109 USA
英文摘要: Using a dynamical quantum Zeno effect, we propose a general approach to control the coupling between a two-level system (TLS) and its surroundings, by modulating the energy-level spacing of the TLS with a high-frequency signal. We show that the TLS-surroundings interaction can be turned off when the ratio between the amplitude and the frequency of the modulating field is adjusted to be a zero of a Bessel function. The quantum Zeno effect of the TLS can also be observed by the vanishing of the photon reflection at these zeros. Based on these results, we propose a quantum switch to control the transport of a single photon in a one-dimensional waveguide. Our analytical results agree well with numerical results using Floquet theory.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000273233800031
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5199
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhou, Lan,Yang, S.,Liu, Yu-xi,et al. Quantum Zeno switch for single-photon coherent transport[J]. PHYSICAL REVIEW A,2009,80(6):-.
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