Memoirs of the Faculty of Science, Shimane University

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Memoirs of the Faculty of Science, Shimane University 19
1985-12-25 発行

揺動散逸系におけるランジェバン方程式の一般化

Genaralization of the Langevin Equation in Fluctuation Dissipation Systems
Takehara, Toshio
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Description
Langevin's equation as an adequate description of Brownian motion is applicable in large variety of systems which are close to equilibrium. For these systems hydrodynamic equations describe the long wave-length, Iow-frequency phenomena. The equation of motion for these systems of continuous media is generalized to the similar type of Langevin equation and correlation of fluctuation is discussed.