Finite-time destruction of entanglement and non-locality by environmental influences

Abstract

Entanglement and non-locality are non-classical global characteristics of quantum states important to the foundations of quantum mechanics. Recent investigations have shown that environmental noise, even when it is entirely local in influence, can destroy both of these properties in finite time despite giving rise to full quantum state decoherence only in the infinite time limit. These investigations, which have been carried out in a range of theoretical and experimental situations, are reviewed here.

27 pages, 6 figures, review article to appear in Foundations of Physics

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• Residual entanglement and sudden death: A direct connection
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