A Factorization Law for Entanglement Decay
classification
🪐 quant-ph
keywords
entanglementfactorizationquantumarbitrarychannelcharacterizedcomponentdecay
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We present a simple and general factorization law for quantum systems shared by two parties, which describes the time evolution of entanglement upon passage of either component through an arbitrary noisy channel. The robustness of entanglement-based quantum information processing protocols is thus easily and fully characterized by a single quantity.
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