Solution of Fokker-Planck equation for a broad class of drift and diffusion coefficients

Details Solution of Fokker-Planck equation for a broad class of drift and diffusion coefficients Solution of Fokker-Planck equation for a broad class of drift and diffusion coefficients

2011-07-05

arxiv.org/abs/1107.0959v1

Physics

Condensed Matter

Statistical Mechanics

9 Pages,4 figures

Scientific paper

We consider a Langevin equation with variable drift and diffusion coefficients separable in time and space and its corresponding Fokker-Planck equation in the Stratonovich approach. From this Fokker-Planck equation we obtain a class of exact solutions with the same spatial drift and diffusion coefficients. Furthermore, we analyze some details of this system by using the spatial diffusion coefficient $D(x)=\sqrt{D}|x| ^{-% \frac{\theta}{2}}$.

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