Preprint 121/2006

Lower Bounds of Concurrence for Tripartite Quantum Systems

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

Contact the author: Please use for correspondence this email.
Submission date: 01. Nov. 2006
Pages: 12
published in: Physical review / A, 74 (2006) 5, art-no. 050303 
DOI number (of the published article): 10.1103/PhysRevA.74.050303
PACS-Numbers: 03.67.Mn, 03.65.Ud, 89.70.+c
Keywords and phrases: Concurrence, lower bound, Tripartite mixed state
Download full preprint: PDF (136 kB)

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.

02.07.2022, 02:13