Renormalized equations for a weakly nonlinear Duffing oscillator

We derive fluctuation renormalized transport equations for the averages position and velocity of a weakly nonlinear Duffing oscillator. We take the nonlinearity as the expansion parameter and use a modification of the van Kampen expasion method. Also, we study the spectral density of the equilibrium time correlation function of position. Comparison with other theories and computer data is carried out.

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Year of publication:	1984
Authors:	Brey, J.J. ; Casado, J.M. ; Morillo, M.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 123.1984, 2, p. 481-496
Publisher:	Elsevier

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010872885