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Phys. Rev. A 67, 062107 (2003) [4 pages]

Effect of an external field on decoherence

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R. F. O’Connell and Jian Zuo
Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001, USA

Received 26 November 2002; published 26 June 2003

“Decoherence of quantum superpositions through coupling to engineered reservoirs” is the topic of a recent paper by Myatt et al. [Nature 403, 269 (2000)] which has attracted much interest because of its relevance to current research in fundamental quantum theory, quantum computation, teleportation, entanglement, and the quantum-classical interface. However, the preponderance of theoretical work on decoherence does not consider the effect of an external field. Here, we present an analysis of such an effect in the case of the random δ-correlated force discussed by Myatt et al.


©2003 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.67.062107
DOI: 10.1103/PhysRevA.67.062107
PACS: 03.65.Yz

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