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The stochastic acceleration problem in two dimensions

T. Komorowski, L. Ryzhik

math-pharXiv:math-ph/0505083

Abstract

We consider the motion of a particle in a two-dimensional spatially homogeneous mixing potential and show that its momentum converges to the Brownian motion on a circle. This complements the limit theorem of Kesten and Papanicolaou KP proved in dimensions d 3.

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