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Journal article

Quantum change point

Abstract:

Sudden changes are ubiquitous in nature. Identifying them is crucial for a number of applications in biology, medicine, and social sciences. Here we take the problem of detecting sudden changes to the quantum domain. We consider a source that emits quantum particles in a default state, until a point where a mutation occurs that causes the source to switch to another state. The problem is then to find out where the change occurred. We determine the maximum probability of correctly identifying ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/physrevlett.117.150502

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Computer Science
Oxford college:
St Hilda's College
Role:
Author
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Grant:
Starting Grant No. 258647/ GEDENTQOPT
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Grant:
CIRIT Contract No. 2014-SGR966
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
117
Issue:
15
Article number:
150502
Publication date:
2016-10-07
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pmid:
27768375
Source identifiers:
733244
Language:
English
Pubs id:
pubs:733244
UUID:
uuid:dc7ee62b-93dd-4931-a8f6-9609ec4e7cb2
Local pid:
pubs:733244
Deposit date:
2017-11-06

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