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Compression for quantum population coding

Abstract:

IEEE We study the compression of n quantum systems, each prepared in the same state belonging to a given parametric family of quantum states. For a family of states with f independent parameters, we devise an asymptotically faithful protocol that requires a hybrid memory of size (f/2) log n, including both quantum and classical bits. Our construction uses a quantum version of local asymptotic normality and, as an intermediate step, solves the problem of compressing displaced thermal states of...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1109/TIT.2017.2788407

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Computer Science
Oxford college:
St Hilda's College
Role:
Author
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Funding agency for:
Hayashi, M
Canadian Institute for Advanced Research More from this funder
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Publisher:
Institute of Electrical and Electronics Engineers Publisher's website
Journal:
IEEE Transactions on Information Theory Journal website
Volume:
64
Issue:
7
Pages:
4766-4783
Publication date:
2018-01-10
DOI:
ISSN:
0018-9448
Pubs id:
pubs:821527
URN:
uri:3c56c106-67ad-48b9-a3eb-1d9f4a92d481
UUID:
uuid:3c56c106-67ad-48b9-a3eb-1d9f4a92d481
Local pid:
pubs:821527

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