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Article: Transforming quantum operations: Quantum supermaps

TitleTransforming quantum operations: Quantum supermaps
Authors
Issue Date2008
Citation
EPL, 2008, v. 83, n. 3 How to Cite?
AbstractWe introduce the concept of quantum supermap, describing the most general transformation that maps an input quantum operation into an output quantum operation. Since quantum operations include as special cases quantum states, effects, and measurements, quantum supermaps describe all possible transformations between elementary quantum objects (quantum systems as well as quantum devices). After giving the axiomatic definition of supermap, we prove a realization theorem, which shows that any supermap can be physically implemented as a simple quantum circuit. Applications to quantum programming, cloning, discrimination, estimation, information-disturbance trade-off, and tomography of channels are outlined. © 2008 Europhysics Letters Association.
Persistent Identifierhttp://hdl.handle.net/10722/213057
ISSN
2015 Impact Factor: 1.963
2015 SCImago Journal Rankings: 0.565
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChiribella, G.-
dc.contributor.authorD'Ariano, G. M.-
dc.contributor.authorPerinotti, P.-
dc.date.accessioned2015-07-28T04:05:59Z-
dc.date.available2015-07-28T04:05:59Z-
dc.date.issued2008-
dc.identifier.citationEPL, 2008, v. 83, n. 3-
dc.identifier.issn0295-5075-
dc.identifier.urihttp://hdl.handle.net/10722/213057-
dc.description.abstractWe introduce the concept of quantum supermap, describing the most general transformation that maps an input quantum operation into an output quantum operation. Since quantum operations include as special cases quantum states, effects, and measurements, quantum supermaps describe all possible transformations between elementary quantum objects (quantum systems as well as quantum devices). After giving the axiomatic definition of supermap, we prove a realization theorem, which shows that any supermap can be physically implemented as a simple quantum circuit. Applications to quantum programming, cloning, discrimination, estimation, information-disturbance trade-off, and tomography of channels are outlined. © 2008 Europhysics Letters Association.-
dc.languageeng-
dc.relation.ispartofEPL-
dc.titleTransforming quantum operations: Quantum supermaps-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1209/0295-5075/83/30004-
dc.identifier.scopuseid_2-s2.0-69549132610-
dc.identifier.volume83-
dc.identifier.issue3-
dc.identifier.eissn1286-4854-
dc.identifier.isiWOS:000259022600004-

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