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Article: Quantum erasure of decoherence

TitleQuantum erasure of decoherence
Authors
Issue Date2007
Citation
Open Systems and Information Dynamics, 2007, v. 14, n. 1, p. 53-61 How to Cite?
AbstractWe consider the classical algebra of observables that are diagonal in a given orthonormal basis, and define a complete decoherence process as a completely positive map that asymptotically converts any quantum observable into a diagonal one, while preserving the elements of the classical algebra. For quantum systems in dimension two and three any decoherence process can be undone by collecting classical information from the environment and using such an information to restore the initial system state. As a relevant example, we illustrate the quantum eraser of Scully et al. [Nature 351, 111 (1991)] as an example of environment-assisted correction, and present the generalization of the eraser setup for d-dimensional systems. © Springer Science+Business Media B.V. 2007.
Persistent Identifierhttp://hdl.handle.net/10722/212910
ISSN
2015 Impact Factor: 1.306
2015 SCImago Journal Rankings: 0.549
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorBuscemi, Francesco-
dc.contributor.authorChiribella, Giulio-
dc.contributor.authorD'Ariano, Giacomo Mauro-
dc.date.accessioned2015-07-28T04:05:24Z-
dc.date.available2015-07-28T04:05:24Z-
dc.date.issued2007-
dc.identifier.citationOpen Systems and Information Dynamics, 2007, v. 14, n. 1, p. 53-61-
dc.identifier.issn1230-1612-
dc.identifier.urihttp://hdl.handle.net/10722/212910-
dc.description.abstractWe consider the classical algebra of observables that are diagonal in a given orthonormal basis, and define a complete decoherence process as a completely positive map that asymptotically converts any quantum observable into a diagonal one, while preserving the elements of the classical algebra. For quantum systems in dimension two and three any decoherence process can be undone by collecting classical information from the environment and using such an information to restore the initial system state. As a relevant example, we illustrate the quantum eraser of Scully et al. [Nature 351, 111 (1991)] as an example of environment-assisted correction, and present the generalization of the eraser setup for d-dimensional systems. © Springer Science+Business Media B.V. 2007.-
dc.languageeng-
dc.relation.ispartofOpen Systems and Information Dynamics-
dc.titleQuantum erasure of decoherence-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s11080-007-9028-4-
dc.identifier.scopuseid_2-s2.0-33947198150-
dc.identifier.volume14-
dc.identifier.issue1-
dc.identifier.spage53-
dc.identifier.epage61-
dc.identifier.isiWOS:000246078100005-

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