Unambiguous discrimination between mixed quantum states

Feng, Y; Duan, R; Ying, M

Unambiguous discrimination between mixed quantum states

Feng, Y Duan, R Ying, M

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Publisher:: American Physical Society
Publication Type:: Journal Article
Citation:: Feng Yuan, Duan Runyao, and Ying Mingsheng 2004, 'Unambiguous discrimination between mixed quantum states', American Physical Society, vol. 70, no. 1, pp. 012308-1-012308-4.
Issue Date:: 2004

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Field	Value	Language
dc.contributor.author	Feng, Y	en_US
dc.contributor.author	Duan, R	en_US
dc.contributor.author	Ying, M	en_US
dc.date.accessioned	2010-05-28T09:42:22Z
dc.date.available	2010-05-28T09:42:22Z
dc.date.issued	2004	en_US
dc.identifier	2009005159	en_US
dc.identifier.citation	Feng Yuan, Duan Runyao, and Ying Mingsheng 2004, 'Unambiguous discrimination between mixed quantum states', American Physical Society, vol. 70, no. 1, pp. 012308-1-012308-4.	en_US
dc.identifier.issn	1050-2947	en_US
dc.identifier.other	C1UNSUBMIT	en_US
dc.identifier.uri	http://hdl.handle.net/10453/8306
dc.description.abstract	We prove that the states secretly chosen from a mixed state set can be perfectly discriminated if and only if they are orthogonal. The sufficient and necessary condition under which nonorthogonal mixed quantum states can be unambiguously discriminated is also presented. Furthermore, we derive a series of lower bounds on the inconclusive probability of unambiguous discrimination of states from a mixed state set with a priori probabilities.	en_US
dc.publisher	American Physical Society	en_US
dc.relation.ispartof	Verified OK	en_US
dc.relation.ispartof	Physical Review A	en_US
dc.relation.hasversion	Accepted manuscript version	en_US
dc.relation.isbasedon	https://doi.org/10.1103/PhysRevA.70.012308	en_US
dc.rights	Feng, Y & Duan, R & Ying, M, Feng Yuan, Duan Runyao, and Ying Mingsheng 2004, 'Unambiguous discrimination between mixed quantum states', American Physical Society, vol. 70, no. 1, pp. 012308-1-012308-4. https://doi.org/10.1103/PhysRevA.70.012308 2004. Copyright 2004 by the American Physical Society.	en_US
dc.subject.classification	Mathematical Physics	en_US
dc.title	Unambiguous discrimination between mixed quantum states	en_US
dc.type	Journal article
utslib.citation.volume	70	en_US
utslib.citation.number	1	en_US
utslib.location	USA	en_US
utslib.citation.startpage	012308-1	en_US
utslib.citation.endpage	012308-4	en_US
utslib.identifier.org	FEIT.School of Systems, Management and Leadership	en_US
utslib.for	010500	en_US
utslib.percentage	100	en_US
utslib.copyright.status	open_access

Abstract:

We prove that the states secretly chosen from a mixed state set can be perfectly discriminated if and only if they are orthogonal. The sufficient and necessary condition under which nonorthogonal mixed quantum states can be unambiguously discriminated is also presented. Furthermore, we derive a series of lower bounds on the inconclusive probability of unambiguous discrimination of states from a mixed state set with a priori probabilities.

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http://hdl.handle.net/10453/8306