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Sensitivity optimization in quantum parameter estimation

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Abstract
We present a general framework for sensitivity optimization in quantum parameter estimation schemes based on continuous (indirect) observation of a dynamical system. As an illustrative example, we analyze the canonical scenario of monitoring the position of a free mass or harmonic oscillator to detect weak classical forces. We show that our framework allows the consideration of sensitivity scheduling, as well as estimation strategies for nonstationary signals, leading us to propose corresponding generalizations of the standard quantum limit for force detection.
Keywords
POSITION, SYSTEMS, MODEL, LIMIT

Citation

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Chicago
Verstraete, Frank, AC Doherty, and H Mabuchi. 2001. “Sensitivity Optimization in Quantum Parameter Estimation.” Physical Review A 64 (3).
APA
Verstraete, F., Doherty, A., & Mabuchi, H. (2001). Sensitivity optimization in quantum parameter estimation. PHYSICAL REVIEW A, 64(3).
Vancouver
1.
Verstraete F, Doherty A, Mabuchi H. Sensitivity optimization in quantum parameter estimation. PHYSICAL REVIEW A. 2001;64(3).
MLA
Verstraete, Frank, AC Doherty, and H Mabuchi. “Sensitivity Optimization in Quantum Parameter Estimation.” PHYSICAL REVIEW A 64.3 (2001): n. pag. Print.
@article{137530,
  abstract     = {We present a general framework for sensitivity optimization in quantum parameter estimation schemes based on continuous (indirect) observation of a dynamical system. As an illustrative example, we analyze the canonical scenario of monitoring the position of a free mass or harmonic oscillator to detect weak classical forces. We show that our framework allows the consideration of sensitivity scheduling, as well as estimation strategies for nonstationary signals, leading us to propose corresponding generalizations of the standard quantum limit for force detection.},
  articleno    = {032111},
  author       = {Verstraete, Frank and Doherty, AC and Mabuchi, H},
  issn         = {1050-2947},
  journal      = {PHYSICAL REVIEW A},
  keywords     = {POSITION,SYSTEMS,MODEL,LIMIT},
  language     = {eng},
  number       = {3},
  pages        = {12},
  title        = {Sensitivity optimization in quantum parameter estimation},
  url          = {http://dx.doi.org/10.1103/PhysRevA.64.032111},
  volume       = {64},
  year         = {2001},
}

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