Proper and Improper Separability
classification
🪐 quant-ph
keywords
distinctionimproperproperseparabilityanalogouscontextdiscussionentanglement
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The distinction between proper and improper mixtures is a staple of the discussion of foundational questions in quantum mechanics. Here we note an analogous distinction in the context of the theory of entanglement. The terminology of `proper' versus `improper' separability is proposed to mark the distinction.
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