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Fluctuations and the existence of potential in dissipative semiclassical systems

  • B.C. Bag
  • D.S. Ray
Article

Abstract:

We examine the weak noise limit of an overdamped dissipative system within a semiclassical description and show how quantization influences the growth and decay of fluctuations of the thermally equilibrated systems. We trace its origin in a semiclassical counterpart of the generalized potential for the dissipative system.

PACS. 05.40.-a Fluctuation phenomena, random processes, noise, and Brownian motion - 05.30.-d Quantum statistical mechanics - 05.70.Ln Nonequilibrium and irreversible thermodynamics 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2000

Authors and Affiliations

  • B.C. Bag
    • 1
  • D.S. Ray
    • 1
  1. 1.Indian Association for the Cultivation of ScienceCalcuttaIndia

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