Local Unambiguous Discrimination with Remaining Entanglement

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dc.contributor.author Li, Y
dc.contributor.author Duan, R
dc.contributor.author Ying, M
dc.date.accessioned 2011-02-07T06:18:30Z
dc.date.issued 2009-12-28
dc.identifier.citation 2009
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/13070
dc.description.abstract A bipartite state which is secretly chosen from a finite set of known entangled pure states cannot be immediately useful in standard quantum information processing tasks. To effectively make use of the entanglement contained in this unknown state, we introduce a new way to locally manipulate the original quantum system: either identify the state successfully or distill some pure entanglement. Remarkably, if many copies are available, we show that any finite set of entangled pure states, whatever orthogonal or not, can be locally distinguished in this way, which further implies that pure entanglement can be deterministically extracted from unknown pure entanglement. These results make it clear why a large class of entangled bipartite quantum operations including unitary operations and measurements that are globally distinguishable can also be locally distinguishable: they can generate pure entanglement consistently.
dc.relation.hasversion Accepted manuscript version en_US
dc.title Local Unambiguous Discrimination with Remaining Entanglement
dc.type Journal Article
dc.journal.number 3 en_US
dc.publocation College Pk en_US
dc.publocation Yantai China
dc.identifier.startpage 1 en_US
dc.identifier.endpage 6 en_US
dc.cauo.name FEIT.School of Systems, Management and Leadership en_US
dc.conference Verified OK en_US
dc.conference International Congress on Image and Signal Processing
dc.for 0105 Mathematical Physics
dc.personcode 103396
dc.personcode 106353
dc.percentage 100 en_US
dc.classification.name Mathematical Physics en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.date.activity 2010-10-16
dc.location.activity ISI:000282313000005 en_US
dc.location.activity Yantai, China
dc.description.keywords Unextendible Product Bases; Independent Quantum States; Bound Entanglement; Noisy Channels; Operators en_US
dc.description.keywords Contrast enhancement, image processing, histogram, image enhancement , image matching
dc.description.keywords quant-ph
dc.description.keywords quant-ph
dc.description.keywords quant-ph
dc.description.keywords quant-ph
pubs.embargo.period Not known
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 - Quantum Computation and Intelligent Systems


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