Electronic Resource
Springer
Journal of statistical physics
53 (1988), S. 307-322
ISSN:
1572-9613
Keywords:
Relaxation
;
weak coupling
;
Fokker-Planck equation
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The relaxation properties of a small classical system weakly coupled to a large classical system which acts as a heat bath are described using a generalized Fokker-Planck equation. The Fokker-Planck equation is derived in general using a modification of the elimination of fast variables techniques previously described. The specific example in which the small system is a harmonic oscillator linearly coupled to the heat bath is treated in detail and it is demonstrated that there is a dynamic frequency shift as well as a statistical shift of the oscillator frequency.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01011559
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