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MiS Preprint
55/2012

Lower Bound of Multipartite Concurrence Based on Sub-quantum State Decomposition

Xue-Na Zhu, Ming-Jing Zhao and Shao-Ming Fei

Abstract

We study the entanglement of tripartite quantum states and provide analytical lower bounds of concurrence in terms of the concurrence of substates. The lower bound may improve all of the existing lower bounds of concurrence. The approach is generalized to arbitrary dimensional multipartite systems.

Received:
Aug 31, 2012
Published:
Sep 10, 2012
PACS:
03.67.Mn, 03.65.Ud

Related publications

inJournal
2012 Repository Open Access
Xue-Na Zhu, Ming-Jing Zhao and Shao-Ming Fei

Lower bound of multipartite concurrence based on sub-quantum state decomposition

In: Physical review / A, 86 (2012) 2, p. 022307