A MECHANICAL MODEL OF BROWNIAN-MOTION

A MECHANICAL MODEL OF BROWNIAN-MOTION
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DOI:
10.1007/bf02046762
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发表时间:
1981-01-01
影响因子:
2.4
通讯作者:
LEBOWITZ, JL
LEBOWITZ, JL
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
DURR, D;GOLDSTEIN, S;LEBOWITZ, JL

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我们考虑一个由一个大质量粒子和无数个光点粒子组成的动力系统。我们证明,在适当的限度内,大质量粒子的运动可以通过奥恩斯坦-乌伦贝克过程来描述。这将霍利之前在一维方面的结果扩展到了三维。
We consider a dynamical system consisting of one large massive particle and an infinite number of light point particles. We prove that the motion of the massive particle is, in a suitable limit, described by the Ornstein-Uhlenbeck process. This extends to three dimensions previous results by Holley in one dimension.