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A note on extremal states of composite quantum systems with fixed marginals
Published 19 Apr 2013 in quant-ph, math-ph, math.FA, math.MP, and math.OA | (1304.5413v1)
Abstract: An extremal element of the convex set of composite quantum states in $M_2\otimes M_3$, whose marginals are all normalised identities has been constructed. It is found to be a mixed state and is entangled as well.
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