Does The Uncertainty Relation Determine The Quantum State?
classification
🪐 quant-ph
keywords
nonpositiverelationuncertaintycontextcontinuouscriteriondensitydetermine
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The example of nonpositive trace-class Hermitian operator for which Robertson-Schroedinger uncertainty relation is fulfilled is presented. The partial scaling criterion of separability of multimode continuous variable system is discussed in the context of using nonpositive maps of density matrices.
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