arXiv:quant-ph/0412141AbstractReferencesReviewsResources
Decoherence of a Measure of Entanglement
D. Tolkunov, V. Privman, P. K. Aravind
Published 2004-12-17, updated 2005-03-19Version 2
We demonstrate by an explicit model calculation that the decay of entanglement of two two-state systems (two qubits) is governed by the product of the factors that measure the degree of decoherence of each of the qubits, subject to independent sources of quantum noise. This demonstrates an important physical property that separated open quantum systems can evolve quantum mechanically on time scales larger than the times for which they remain entangled.
Comments: 4 pages, 1 figure
Journal: Phys. Rev. A 71, Article 060308(R), 4 pages (2005)
Categories: quant-ph, cond-mat.mes-hall
Keywords: decoherence, entanglement, explicit model calculation, time scales larger, separated open quantum systems
Tags: journal article
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