• DocumentCode
    2795284
  • Title

    Quantum entanglement and metrology

  • Author

    Caves, Carlton M.

  • Author_Institution
    Department of Physics and Astronomy, University of New Mexico, Albuquerque, 87131, USA
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    For linear couplings of N systems to a parameter, quantum entanglement can improve the precision of parameter estimation from the 1/¿N shot-noise limit to the 1/N Heisenberg limit. Intrinsic ¿-body couplings improve this scaling further to 1/N¿.
  • Keywords
    Astronomy; Information science; Metrology; Optical sensors; Parameter estimation; Physics; Probes; Quantum entanglement; Quantum mechanics; Uncertainty;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2007. QELS '07
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/QELS.2007.4431814
  • Filename
    4431814