A Functional Limit Theorem for the Position of a Particle in a Lorentz Type Model
V. Vysotsky
2006, v.12, Issue 4, 767-790
ABSTRACT
Consider a particle moving through a random medium, which consists of spherical obstacles, randomly distributed in $R^3$. The particle is accelerated by a constant external field; when colliding with an obstacle, the particle inelastically reflects. We study the asymptotics of $X(t)$, which denotes the position of the particle at time $t$, as $t \to \infty$. The result is a functional limit theorem for $X(t)$.
Keywords: Lorentz model,motion in random medium,functional centrallimit theorem for Markov chains,limit theorems
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