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arXiv:0811.0702 · Rendiconti Lincei Matematica e Applicazioni

Multipartite entanglement in qubit systems

Paolo Facchi

Published Mar 31, 2009• 8 citations
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Abstract

We introduce a potential of multipartite entanglement for a system of n qubits, as the average over all balanced bipartitions of a bipartite entanglement measure, the purity. We study in detail its expression and look for its minimizers, the maximally multipartite entangled states. They have a bipartite entanglement that does not depend on the bipartition and is maximal for all possible bipartitions. We investigate their structure and consider several examples for small n.

DOI
10.4171/rlm/532

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