Gauge invariant information concerning quantum channels

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dc.contributor.author	Rudnicki, Łukasz	pl
dc.contributor.author	Puchała, Zbigniew [SAP14010184]	pl
dc.contributor.author	Życzkowski, Karol [SAP11011566]	pl
dc.date.accessioned	2019-01-31T10:47:10Z
dc.date.available	2019-01-31T10:47:10Z
dc.date.issued	2018	pl
dc.identifier.uri	https://ruj.uj.edu.pl/xmlui/handle/item/67208
dc.language	eng	pl
dc.rights	Udzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa	*
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/pl/legalcode	*
dc.title	Gauge invariant information concerning quantum channels	pl
dc.type	JournalArticle	pl
dc.abstract.en	Motivated by the gate set tomography we study quantum channels from the perspective of information which is invariant with respect to the gauge realized through similarity of matrices representing channel superoperators. We thus use the complex spectrum of the superoperator to provide necessary conditions relevant for complete positivity of qubit channels and to express various metrics such as average gate fidelity.	pl
dc.description.volume	2	pl
dc.identifier.doi	10.22331/q-2018-04-11-60	pl
dc.identifier.eissn	2521-327X	pl
dc.title.journal	Quantum	pl
dc.language.container	eng	pl
dc.affiliation	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego	pl
dc.subtype	Article	pl
dc.identifier.articleid	60	pl
dc.rights.original	CC-BY; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0	pl
dc.identifier.project	ROD UJ / OP	pl
dc.scopuswos.indexing	tak	pl