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Can Entanglement Be Destroyed by Any Local Operation in Relativistic Quantum Field Theory?

Giovanni Valente
Philosophy of Science
Vol. 77, No. 5 (December 2010), pp. 1029-1041
DOI: 10.1086/656547
Stable URL: http://www.jstor.org/stable/10.1086/656547
Page Count: 13
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Can Entanglement Be Destroyed by Any Local Operation in Relativistic Quantum Field Theory?
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Abstract

This article investigates the nature of entangled correlations in algebraic quantum field theory (AQFT). We define a notion of local disentanglement, expressing the possibility of destroying entanglement by means of local operations. Contrary to the case of ordinary quantum mechanics, local disentanglement cannot be achieved in general in relativistic quantum field theory. However, we show that if the split property holds, there exists a local operation that can destroy entanglement between spacelike-separated quantum field systems.

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