The Origin of Separable States and Separability Criteria from Entanglement-breaking Channels
classification
🪐 quant-ph
keywords
entanglement-breakingseparabilitychannelscriteriaseparablestatesufficientarbitrary
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In this paper, we show that an arbitrary separable state can be the output of a certain entanglement-breaking channel corresponding exactly to the input of a maximally entangled state. A necessary and sufficient separability criterion and some sufficient separability criteria from entanglement-breaking channels are given.
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