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Article: Optimal cloning of unitary transformation

TitleOptimal cloning of unitary transformation
Authors
Chiribella, GiulioD'Ariano, Giacomo MauroPerinotti, Paolo
Issue Date2008
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prl/
Citation
Physical Review Letters, 2008, v. 101 n. 18, article no. 180504 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevLett.101.180504
AbstractAfter proving a general no-cloning theorem for black boxes, we derive the optimal universal cloning of unitary transformations, from one to two copies. The optimal cloner is realized by quantum channels with memory, and greatly outperforms the optimal measure-and-reprepare cloning strategy. Applications are outlined, including two-way quantum cryptographic protocols. © 2008 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/213029
ISSN
0031-9007
2021 Impact Factor: 9.185
2020 SCImago Journal Rankings: 3.688
ISI Accession Number ID
WOS:000260574600010

 

DC FieldValueLanguage
dc.contributor.authorChiribella, Giulio-
dc.contributor.authorD'Ariano, Giacomo Mauro-
dc.contributor.authorPerinotti, Paolo-
dc.date.accessioned2015-07-28T04:05:49Z-
dc.date.available2015-07-28T04:05:49Z-
dc.date.issued2008-
dc.identifier.citationPhysical Review Letters, 2008, v. 101 n. 18, article no. 180504-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/213029-
dc.description.abstractAfter proving a general no-cloning theorem for black boxes, we derive the optimal universal cloning of unitary transformations, from one to two copies. The optimal cloner is realized by quantum channels with memory, and greatly outperforms the optimal measure-and-reprepare cloning strategy. Applications are outlined, including two-way quantum cryptographic protocols. © 2008 The American Physical Society.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prl/-
dc.relation.ispartofPhysical Review Letters-
dc.titleOptimal cloning of unitary transformation-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.101.180504-
dc.identifier.scopuseid_2-s2.0-55749114053-
dc.identifier.volume101-
dc.identifier.issue18-
dc.identifier.spagearticle no. 180504-
dc.identifier.epagearticle no. 180504-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000260574600010-
dc.identifier.issnl0031-9007-

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