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Article: Solution to Time-energy Costs of Quantum Channels

TitleSolution to Time-energy Costs of Quantum Channels
Authors
Fung, CHFChau, HFLi, CKSze, NS
KeywordsTime-energy cost
Quantum channel
Fidelity
Issue Date2015
PublisherRinton Press, Inc.. The Journal's web site is located at http://www.rintonpress.com/journals/qic/index.html
Citation
Quantum Information & Computation, 2015, v. 15 n. 7-8, p. 685-693 How to Cite?
AbstractWe derive a formula for the time-energy costs of general quantum channels proposed in [Phys. Rev. A 88, 012307 (2013)]. This formula allows us to numerically find the time-energy cost of any quantum channel using positive semidefinite programming. We also derive a lower bound to the time-energy cost for any channels and the exact the time-energy cost for a class of channels which includes the qudit depolarizing channels and projector channels as special cases.
Persistent Identifierhttp://hdl.handle.net/10722/208704
ISSN
1533-7146
2023 Impact Factor: 0.7
2023 SCImago Journal Rankings: 0.236

 

DC FieldValueLanguage
dc.contributor.authorFung, CHF-
dc.contributor.authorChau, HF-
dc.contributor.authorLi, CK-
dc.contributor.authorSze, NS-
dc.date.accessioned2015-03-18T09:06:03Z-
dc.date.available2015-03-18T09:06:03Z-
dc.date.issued2015-
dc.identifier.citationQuantum Information & Computation, 2015, v. 15 n. 7-8, p. 685-693-
dc.identifier.issn1533-7146-
dc.identifier.urihttp://hdl.handle.net/10722/208704-
dc.description.abstractWe derive a formula for the time-energy costs of general quantum channels proposed in [Phys. Rev. A 88, 012307 (2013)]. This formula allows us to numerically find the time-energy cost of any quantum channel using positive semidefinite programming. We also derive a lower bound to the time-energy cost for any channels and the exact the time-energy cost for a class of channels which includes the qudit depolarizing channels and projector channels as special cases.-
dc.languageeng-
dc.publisherRinton Press, Inc.. The Journal's web site is located at http://www.rintonpress.com/journals/qic/index.html-
dc.relation.ispartofQuantum Information & Computation-
dc.subjectTime-energy cost-
dc.subjectQuantum channel-
dc.subjectFidelity-
dc.titleSolution to Time-energy Costs of Quantum Channels-
dc.typeArticle-
dc.identifier.emailFung, CHF: chffung@hku.hk-
dc.identifier.emailChau, HF: hfchau@hku.hk-
dc.identifier.authorityChau, HF=rp00669-
dc.description.naturepostprint-
dc.identifier.hkuros242628-
dc.identifier.volume15-
dc.identifier.issue7-8-
dc.identifier.spage685-
dc.identifier.epage693-
dc.publisher.placeUnited States-
dc.identifier.issnl1533-7146-

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