Abstract:
We study a one-dimensional semi-infinite system of particles driven by a constant positive force F which acts only on the leftmost particle of mass M, called the heavy particle (the h.p.), and all other particles are mechanically identical and have the same mass m < M. Particles interact through elastic collisions. At initial time all neutral particles are at rest, and the initial measure is such that the interparticle distances ξ i are i.i.d. r.v. Under conditions on the distribution of ξ which imply that the minimal velocity obtained by each neutral particle after the first interaction with the h.p. is bigger than the drift of an associated Markovian dynamics (in which each neutral particle is annihilated after the first collision) we prove that the dynamics has a strong cluster property, and as a consequence, we prove existence of the discrete time limit distribution for the system as seen from the first particle, a ψ-mixing property, a drift velocity, as well as the central limit theorem for the tracer particle.
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Received: 22 March 2000 / Accepted: 8 December 2000
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Sidoravicius, V., Triolo, L. & Vares, M. Mixing Properties for Mechanical Motion¶of a Charged Particle in a Random Medium. Commun. Math. Phys. 219, 323–355 (2001). https://doi.org/10.1007/s002200100418
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DOI: https://doi.org/10.1007/s002200100418