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Wang, Xiaoguang; Miranowicz, Adam; Liu, Yu-xi; Sun, C. P.; Nori, Franco; Wang, XG , RIKEN, Inst Phys & Chem Res, Adv Sci Inst, Wako, Saitama 3510198, Japan
Sudden vanishing of spin squeezing under decoherence
Source PublicationPHYSICAL REVIEW A
KeywordQuantum-nondemolition Measurement Trapped Ions Entanglement States Spectroscopy Separability Death Light
AbstractIn order to witness multipartite correlations beyond pairwise entanglement, spin-squeezing parameters are analytically calculated for a spin ensemble in a collective initial state under three different decoherence channels. It is shown that, in analogy to pairwise entanglement, the spin squeezing described by different parameters can suddenly become zero at different vanishing times. This finding shows the general occurrence of sudden vanishing phenomena of quantum correlations in many-body systems, which here is referred to as spin-squeezing sudden death (SSSD). It is shown that the SSSD usually occurs due to decoherence and that SSSD never occurs for some initial states in the amplitude-damping channel. We also analytically obtain the vanishing times of spin squeezing.
2010
ISSN1050-2947
Volume81Issue:2Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Security Agency; Laboratory of Physical Sciences; Army Research Office; National Science Foundation[0726909, JSPS-RFBR 06-02-91200]; National Natural Science Foundation of China[10874151]; National Fundamental Research Programs of China[2006CB921205]; Program for New Century Excellent Talents in University (NCET); Polish Ministry of Science and Higher Education[NN202 261938] ; National Security Agency; Laboratory of Physical Sciences; Army Research Office; National Science Foundation[0726909, JSPS-RFBR 06-02-91200]; National Natural Science Foundation of China[10874151]; National Fundamental Research Programs of China[2006CB921205]; Program for New Century Excellent Talents in University (NCET); Polish Ministry of Science and Higher Education[NN202 261938] ; National Security Agency; Laboratory of Physical Sciences; Army Research Office; National Science Foundation[0726909, JSPS-RFBR 06-02-91200]; National Natural Science Foundation of China[10874151]; National Fundamental Research Programs of China[2006CB921205]; Program for New Century Excellent Talents in University (NCET); Polish Ministry of Science and Higher Education[NN202 261938] ; National Security Agency; Laboratory of Physical Sciences; Army Research Office; National Science Foundation[0726909, JSPS-RFBR 06-02-91200]; National Natural Science Foundation of China[10874151]; National Fundamental Research Programs of China[2006CB921205]; Program for New Century Excellent Talents in University (NCET); Polish Ministry of Science and Higher Education[NN202 261938]
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Cited Times:66[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5164
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, XG , RIKEN, Inst Phys & Chem Res, Adv Sci Inst, Wako, Saitama 3510198, Japan
Recommended Citation
GB/T 7714
Wang, Xiaoguang,Miranowicz, Adam,Liu, Yu-xi,et al. Sudden vanishing of spin squeezing under decoherence[J]. PHYSICAL REVIEW A,2010,81(2):-.
APA Wang, Xiaoguang,Miranowicz, Adam,Liu, Yu-xi,Sun, C. P.,Nori, Franco,&Wang, XG , RIKEN, Inst Phys & Chem Res, Adv Sci Inst, Wako, Saitama 3510198, Japan.(2010).Sudden vanishing of spin squeezing under decoherence.PHYSICAL REVIEW A,81(2),-.
MLA Wang, Xiaoguang,et al."Sudden vanishing of spin squeezing under decoherence".PHYSICAL REVIEW A 81.2(2010):-.
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