Local distinguishability of multipartite unitary operations

Duan, R; Feng, Y; Ying, M

Local distinguishability of multipartite unitary operations

Duan, R

Feng, Y

Ying, M

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Publication Type:: Journal Article
Citation:: Physical Review Letters, 2008, 100 (2)
Issue Date:: 2008-01-17

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Field	Value	Language
dc.contributor.author	Duan, R https://orcid.org/0000-0002-4388-7487	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	2008-01-17	en_US
dc.identifier.citation	Physical Review Letters, 2008, 100 (2)	en_US
dc.identifier.issn	0031-9007	en_US
dc.identifier.uri	http://hdl.handle.net/10453/8326
dc.description.abstract	We show that any two different unitary operations acting on an arbitrary multipartite quantum system can be perfectly distinguished by local operations and classical communication when a finite number of runs is allowed. Intuitively, this result indicates that the lost identity of a nonlocal unitary operation can be recovered locally. No entanglement between distant parties is required. © 2008 The American Physical Society.	en_US
dc.relation.ispartof	Physical Review Letters	en_US
dc.relation.isbasedon	10.1103/PhysRevLett.100.020503	en_US
dc.subject.classification	General Physics	en_US
dc.title	Local distinguishability of multipartite unitary operations	en_US
dc.type	Journal Article
utslib.citation.volume	2	en_US
utslib.citation.volume	100	en_US
utslib.for	010503 Mathematical Aspects of Classical Mechanics, Quantum Mechanics and Quantum Information Theory	en_US
utslib.for	01 Mathematical Sciences	en_US
utslib.for	02 Physical Sciences	en_US
utslib.for	09 Engineering	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	open_access
pubs.issue	2	en_US
pubs.publication-status	Published	en_US
pubs.volume	100	en_US

Abstract:

We show that any two different unitary operations acting on an arbitrary multipartite quantum system can be perfectly distinguished by local operations and classical communication when a finite number of runs is allowed. Intuitively, this result indicates that the lost identity of a nonlocal unitary operation can be recovered locally. No entanglement between distant parties is required. © 2008 The American Physical Society.

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http://hdl.handle.net/10453/8326