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Criterion for testing multiparticle negative-partial-transpose entanglement
Zeng, B; Zhou, DL; Zhang, P; Xu, Z; You, L; Zeng, B , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
2003
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号68期号:4页码:-
摘要We revisit the criterion of multiparticle entanglement based on the overlaps of a given quantum state p with maximally entangled states. For a system of in particles, each with N distinct states, we prove that p is m-particle negative partial transpose entangled, if there exists a maximally entangled state \MES), such that (MES\rho\MES) > 1/N. While this sufficiency condition is weaker than the Peres-Horodecki criterion in all cases, it applies to multi-particle systems, and becomes especially useful when the number of particles (m) is large. We also consider the converse of this criterion and illustrate its invalidity with counter examples.
部门归属Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
关键词Continuous Variable Systems Separability Criterion Mixed States Schmidt Decomposition
学科领域Physics
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收录类别SCI
WOS记录号WOS:000187004700035
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13216
专题理论物理所1978-2010年知识产出
通讯作者Zeng, B , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
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Zeng, B,Zhou, DL,Zhang, P,et al. Criterion for testing multiparticle negative-partial-transpose entanglement[J]. PHYSICAL REVIEW A,2003,68(4):-.
APA Zeng, B,Zhou, DL,Zhang, P,Xu, Z,You, L,&Zeng, B , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China..(2003).Criterion for testing multiparticle negative-partial-transpose entanglement.PHYSICAL REVIEW A,68(4),-.
MLA Zeng, B,et al."Criterion for testing multiparticle negative-partial-transpose entanglement".PHYSICAL REVIEW A 68.4(2003):-.
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