arXiv:cond-mat/0406708 Abstract

arXiv:cond-mat/0406708Abstract References Reviews Resources

Brownian motion: a case of temperature fluctuations

Published 2004-06-29Version 1

A diffusion process of a Brownian particle in a medium of temperature $T$ is re-considered. We assume that temperature of the medium fluctuates around its mean value. The velocity probability distribution is obtained. It is shown that the stationary state is not a thermodynamic equilibrium state described by the Maxwell distribution. Instead a nonequilibrium state is produced by temperature fluctuations.

Comments: accepted for publication in Acta Physica Polonica B

Categories: cond-mat.stat-mech

Keywords: temperature fluctuations, brownian motion, thermodynamic equilibrium state, velocity probability distribution, brownian particle

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