Multi-parameter quantum metrology

The simultaneous quantum estimation of multiple parameters can provide a better precision than estimating them individually. This is an effect that is impossible classically. We review the rich background of quantum-limited local estimation theory of multiple parameters that underlies these advances...

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Published inAdvances in physics: X Vol. 1; no. 4; pp. 621 - 639
Main Authors Szczykulska, Magdalena, Baumgratz, Tillmann, Datta, Animesh
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 03.07.2016
Taylor & Francis Ltd
Subjects
(quantum) Fisher information matrix
03.65.Ta Foundations of quantum mechanics
03.67.-a Quantum information
06.20.Dk Measurement and error theory
42.50.-p Quantum optics
Cramér-Rao bound
Gravitational waves
Heisenberg scaling
measurement theory
multi-parameter estimation
Parameter estimation
Physics
Probability
Quantum metrology
Quantum physics
Random variables
Standard deviation
United Kingdom > UK
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Abstract The simultaneous quantum estimation of multiple parameters can provide a better precision than estimating them individually. This is an effect that is impossible classically. We review the rich background of quantum-limited local estimation theory of multiple parameters that underlies these advances. We discuss some of the main results in the field and its recent progress. We close by highlighting future challenges and open questions.
AbstractList The simultaneous quantum estimation of multiple parameters can provide a better precision than estimating them individually. This is an effect that is impossible classically. We review the rich background of quantum-limited local estimation theory of multiple parameters that underlies these advances. We discuss some of the main results in the field and its recent progress. We close by highlighting future challenges and open questions.
Author Datta, Animesh
Szczykulska, Magdalena
Baumgratz, Tillmann
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  givenname: Animesh
  surname: Datta
  fullname: Datta, Animesh
  email: animesh.datta@warwick.ac.uk
  organization: Department of Physics, University of Warwick
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Snippet The simultaneous quantum estimation of multiple parameters can provide a better precision than estimating them individually. This is an effect that is...
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SubjectTerms (quantum) Fisher information matrix
03.65.Ta Foundations of quantum mechanics
03.67.-a Quantum information
06.20.Dk Measurement and error theory
42.50.-p Quantum optics
Cramér-Rao bound
Gravitational waves
Heisenberg scaling
measurement theory
multi-parameter estimation
Parameter estimation
Physics
Probability
Quantum metrology
Quantum physics
Random variables
Standard deviation
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Title Multi-parameter quantum metrology
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