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ITP OpenIR  > 理论物理所2011年知识产出  > 期刊论文
题名: Quantum spin squeezing
作者: Ma, J ;  Wang, XG ;  Sun, CP ;  Nori, F
刊名: PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS
出版日期: 2011
卷号: 509, 期号:41308, 页码:89-165
关键词: BOSE-EINSTEIN CONDENSATE ;  GRAVITATIONAL-WAVE DETECTOR ;  CONTINUOUS VARIABLE SYSTEMS ;  COLLECTIVE ATOMIC SPIN ;  MULTI-QUBIT SYSTEMS ;  2-ATOM DICKE-MODEL ;  COHERENT STATES ;  PROJECTION NOISE ;  KICKED TOP ;  NONDEMOLITION MEASUREMENTS
学科分类: Physics
通讯作者: Ma, J (reprint author), Zhejiang Univ, Zhejiang Inst Modern Phys, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China.
部门归属: [Ma, Jian; Wang, Xiaoguang] Zhejiang Univ, Zhejiang Inst Modern Phys, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China; [Ma, Jian; Wang, Xiaoguang; Sun, C. P.; Nori, Franco] RIKEN, Adv Sci Inst, Wako, Saitama 3510198, Japan; [Sun, C. P.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Nori, Franco] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA
英文摘要: This paper reviews quantum spin squeezing, which characterizes the sensitivity of a state with respect to SU(2) rotations, and is significant for both entanglement detection and high-precision metrology. We first present various definitions of spin squeezing parameters, explain their origin and properties for typical states, and then discuss spin-squeezed states produced with nonlinear twisting Hamiltonians. Afterward, we explain pairwise correlations and entanglement in spin-squeezed states, as well as the relations between spin squeezing and quantum Fisher information, where the latter plays a central role in quantum metrology. We also review the applications of spin squeezing for detecting quantum chaos and quantum phase transitions, as well as the influence of decoherence on spin squeezing. Finally, we review several experimental realizations of spin squeezing, as well as their corresponding theoretical backgrounds, including: producing spin-squeezed states via particle collisions in Bose-Einstein condensates, transferring photon squeezing to atomic ensembles, and generating spin squeezing via quantum nondemolition measurements. (C) 2011 Elsevier B.V. All rights reserved.
资助者: Laboratory of Physical Sciences (LPS); National Security Agency (NSA); Army Research Office (ARO); Defense Advanced Research Projects Agency (DARPA); Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF) [0726909]; JSPSRFBR [09-02-92114]; MEXT Kakenhi on Quantum Cybernetics; Funding Program for Innovative R&D on Science and Technology (FIRST); NSFC [11025527, 10874151, 10935010]; Ministry of Education
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000299061700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14218
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Ma, J,Wang, XG,Sun, CP,et al. Quantum spin squeezing[J]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS,2011,509(41308):89-165.
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