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MiS Preprint
121/2006

Lower Bounds of Concurrence for Tripartite Quantum Systems

Xiu-Hong Gao, Shao-Ming Fei and Ke Wu

Abstract

We derive an analytical lower bound for the concurrence of tripartite quantum mixed states. A functional relation is established relating concurrence and the generalized partial transpositions.

Received:
Nov 1, 2006
Published:
Nov 1, 2006
PACS:
03.67.Mn, 03.65.Ud, 89.70.+c
Keywords:
Concurrence, lower bound, Tripartite mixed state

Related publications

inJournal
2006 Repository Open Access
Xiu-Hong Gao, Shao-Ming Fei and Ke Wu

Lower bounds of concurrence for tripartite quantum systems

In: Physical review / A, 74 (2006) 5, p. 050303