Quantum theory of friction

Stephen M. Barnett and James D. Cresser
Phys. Rev. A 72, 022107 – Published 17 August 2005
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  • INTRODUCTION
  • SIMULTANEOUS MEASUREMENT OF POSITION AND…
  • MASTER EQUATIONS FOR BROWNIAN MOTION
  • PROPERTIES OF THE MASTER EQUATION
  • CONCLUSION
  • ACKNOWLEDGEMENTS
    • References

    Abstract

    We present a Markovian quantum theory of friction. Our approach is based on the idea that collisions between a Brownian particle and single molecules of the surrounding medium constitute, as far as the particle is concerned, instantaneous simultaneous measurements of its position and momentum.

    • Received 11 May 2005

    DOI:https://doi.org/10.1103/PhysRevA.72.022107

    ©2005 American Physical Society

    Authors & Affiliations

    Stephen M. Barnett1 and James D. Cresser2,3

    • 1Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom
    • 2Department of Physics, Macquarie University, New South Wales 2109, Australia
    • 3Australian Centre for Quantum Computer Technology, Macquarie University, Sydney, New South Wales 2109, Australia

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    Issue

    Vol. 72, Iss. 2 — August 2005

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