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Article: Quantum erasure of decoherence
Title | Quantum erasure of decoherence |
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Authors | |
Issue Date | 2007 |
Citation | Open Systems and Information Dynamics, 2007, v. 14, n. 1, p. 53-61 How to Cite? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/212910 |
ISSN | 2023 Impact Factor: 1.3 2023 SCImago Journal Rankings: 0.337 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Buscemi, Francesco | - |
dc.contributor.author | Chiribella, Giulio | - |
dc.contributor.author | D'Ariano, Giacomo Mauro | - |
dc.date.accessioned | 2015-07-28T04:05:24Z | - |
dc.date.available | 2015-07-28T04:05:24Z | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Open Systems and Information Dynamics, 2007, v. 14, n. 1, p. 53-61 | - |
dc.identifier.issn | 1230-1612 | - |
dc.identifier.uri | http://hdl.handle.net/10722/212910 | - |
dc.description.abstract | We 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.language | eng | - |
dc.relation.ispartof | Open Systems and Information Dynamics | - |
dc.title | Quantum erasure of decoherence | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1007/s11080-007-9028-4 | - |
dc.identifier.scopus | eid_2-s2.0-33947198150 | - |
dc.identifier.volume | 14 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 53 | - |
dc.identifier.epage | 61 | - |
dc.identifier.isi | WOS:000246078100005 | - |
dc.identifier.issnl | 1230-1612 | - |