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Zeng, B; Zhou, DL; Zhang, P; Xu, Z; You, L; Zeng, B , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Criterion for testing multiparticle negative-partial-transpose entanglement
Source PublicationPHYSICAL REVIEW A
KeywordContinuous Variable Systems Separability Criterion Mixed States Schmidt Decomposition
AbstractWe 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.
2003
ISSN1050-2947
Volume68Issue:4Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13216
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZeng, B , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
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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