| Optimal measurement on noisy quantum systems. | |
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MedLine Citation:
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PMID: 20366574 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We identify the optimal measurement for obtaining information about the original quantum state after the state to be measured has undergone partial decoherence due to noise. We quantify the information that can be obtained by the measurement in terms of the Fisher information and find its value for the optimal measurement. We apply our results to a quantum control scheme based on a spin-boson model. |
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Authors:
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Yu Watanabe; Takahiro Sagawa; Masahito Ueda |
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Publication Detail:
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Type: Journal Article Date: 2010-01-15 |
Journal Detail:
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Title: Physical review letters Volume: 104 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2010-04-06 Completed Date: 2010-06-21 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 020401 Citation Subset: - |
Affiliation:
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Department of Physics, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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