Entanglement detection beyond the CCNR criterion for infinite-dimensions
classification
🪐 quant-ph
keywords
criterionccnrentanglementstatesbeyondbipartitecomputablecross-norm
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In 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.
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