Bounds for multipartite concurrence

Published 19 May 2010 in quant-ph | (1005.3356v1)

Abstract: We study the entanglement of a multipartite quantum state. An inequality between the bipartite concurrence and the multipartite concurrence is obtained. More effective lower and upper bounds of the multipartite concurrence are obtained. By using the lower bound, the entanglement of more multipartite states are detected.

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