Unambiguous discrimination of mixed quantum states

Zhang, C; Feng, Y; Ying, M

Unambiguous discrimination of mixed quantum states

Zhang, C Feng, Y

Ying, M

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Publication Type:: Journal Article
Citation:: Physics Letters, Section A: General, Atomic and Solid State Physics, 2006, 353 (4), pp. 300 - 306
Issue Date:: 2006-05-01

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Field	Value	Language
dc.contributor.author	Zhang, C	en_US
dc.contributor.author	Feng, Y https://orcid.org/0000-0002-3097-3896	en_US
dc.contributor.author	Ying, M https://orcid.org/0000-0003-4847-702X	en_US
dc.date.issued	2006-05-01	en_US
dc.identifier.citation	Physics Letters, Section A: General, Atomic and Solid State Physics, 2006, 353 (4), pp. 300 - 306	en_US
dc.identifier.issn	0375-9601	en_US
dc.identifier.uri	http://hdl.handle.net/10453/8301
dc.description.abstract	The problem of unambiguous discrimination between mixed quantum states is addressed by isolating the part of each mixed state which has no contribution to discrimination and by employing the strategy of set discrimination of pure states. A necessary and sufficient condition of unambiguous mixed state discrimination is presented. An upper bound of the efficiency is also derived. © 2006 Elsevier B.V. All rights reserved.	en_US
dc.relation.ispartof	Physics Letters, Section A: General, Atomic and Solid State Physics	en_US
dc.relation.isbasedon	10.1016/j.physleta.2005.12.097	en_US
dc.subject.classification	Fluids & Plasmas	en_US
dc.title	Unambiguous discrimination of mixed quantum states	en_US
dc.type	Journal Article
utslib.citation.volume	4	en_US
utslib.citation.volume	353	en_US
utslib.for	0105 Mathematical Physics	en_US
utslib.for	01 Mathematical Sciences	en_US
utslib.for	02 Physical Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - QSI - Centre for Quantum Software and Information
utslib.copyright.status	closed_access
pubs.issue	4	en_US
pubs.publication-status	Published	en_US
pubs.volume	353	en_US

Abstract:

The problem of unambiguous discrimination between mixed quantum states is addressed by isolating the part of each mixed state which has no contribution to discrimination and by employing the strategy of set discrimination of pure states. A necessary and sufficient condition of unambiguous mixed state discrimination is presented. An upper bound of the efficiency is also derived. © 2006 Elsevier B.V. All rights reserved.

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http://hdl.handle.net/10453/8301