Quantum Limits on Parameter Estimation

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Quantum Limits on Parameter Estimation

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dc.contributor.author Goldstein, Garry
dc.contributor.author Lukin, Mikhail D.
dc.contributor.author Cappellaro, Paola
dc.date.accessioned 2012-07-10T15:20:20Z
dc.date.issued 2012-07-10
dc.identifier.citation Goldstein, Garry, Mikhail D. Lukin and Paola Cappellaro. 2012. Quantum limits on parameter estimation. Department of Physics, Harvard University. en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:8979490
dc.description.abstract We present a new proof of the quantum Cramer-Rao bound for precision parameter estimation and extend it to a more general class of measurement procedures. We analyze a generalized framework for parameter estimation that covers most experimentally accessible situations, where multiple rounds of measurements, auxiliary systems or external control of the evolution are available. The proof presented demonstrates the equivalence of these more general metrology procedures to the simplest optimal strategy for which the bound is proven: a single measurement of a two-level system interacting with a time-independent Hamiltonian. en_US
dc.description.sponsorship Physics en_US
dc.language.iso en_US en_US
dc.relation.hasversion http://arxiv.org/abs/1001.4804 en_US
dash.license LAA
dc.title Quantum Limits on Parameter Estimation en_US
dc.type Journal Article en_US
dc.description.version Author's Original en_US
dash.depositing.author Lukin, Mikhail D.
dc.date.available 2012-07-10T15:20:20Z

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  • FAS Scholarly Articles [6466]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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