TIME-DEPENDENT SOLUTION OF THE FOKKER-PLANCK EQUATION OF NONLINEAR NONPOTENTIAL SYSTEMS

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TIME-DEPENDENT SOLUTION OF THE FOKKER-PLANCK EQUATION OF NONLINEAR NONPOTENTIAL SYSTEMS

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QU ZHI-LIN, HU GANG

Acta Phys. Sin., 1992, 41(9): 1396-1405.

Abstract
The time-dependent problem of Fokker-Planck equation of the nonlinear systems without detailed balance is solved in the weak noise limit by using the Ω-expansion of the Green function. We further reveal the possibility of the dimension reduction and some scaling relations in the relaxation of the system from the unstable state to the stable state.
Authors and contacts
QU ZHI-LIN¹,

HU GANG²

(1)北京师范大学物理系,北京100875; (2)北京师范大学物理系,北京100875;中国高等科学技术中心(世界实验室)理论物理分中心,北京100080
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