Fluctuations and the existence of potential in dissipative semiclassical systems
Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
Published online: 15 September 2000
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
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2000