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Optimal compression for identically prepared qubit states

Abstract:
We establish the ultimate limits to the compression of sequences of identically prepared qubits. The limits are determined by Holevo's information quantity and are attained through use of the optimal universal cloning machine, which finds here a novel application to quantum Shannon theory.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1103/physrevlett.117.090502

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
BL COMPUTER SCIENCE
Oxford college:
ST HILDAS COLLEGE
Hayashi, M More by this author
Canadian Institute for Advanced Research More from this funder
HKU Seed Funding for Basic Research More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
117
Issue:
9
Pages:
Article: 090502
Publication date:
2016-08-25
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:733245
URN:
uri:dcac336e-1974-4f91-8b6e-adfdce0500d2
UUID:
uuid:dcac336e-1974-4f91-8b6e-adfdce0500d2
Local pid:
pubs:733245
Language:
English

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