Entanglement detection beyond the CCNR criterion for infinite-dimensions [PDF]
Yu Guo, Jinchuan HouIn this paper, in terms of the relation between the state and the reduced states of it, we obtain two inequalities which are valid for all separable states in infinite-dimensional bipartite quantum systems. One of them provides an entanglement criterion which is strictly stronger than the computable cross-norm or realignment (CCNR) criterion.View original: http://arxiv.org/abs/1204.1612
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