Abstract.
We investigate the lower bound of concurrence for multipartite quantum mixed states. Analytical lower bounds are derived for some multipartite systems, by establishing functional relations between concurrence and the generalized partial transpositions.
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Gao, XH., Fei, SM. Estimation of concurrence for multipartite mixed states. Eur. Phys. J. Spec. Top. 159, 71–77 (2008). https://doi.org/10.1140/epjst/e2008-00694-x
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DOI: https://doi.org/10.1140/epjst/e2008-00694-x