English

Separatrix crossing due to multiplicative colored noise

Chaotic Dynamics 2020-08-17 v1 Classical Physics

Abstract

The effect of weak multiplicative colored noise on the dynamics of a Hamiltonian system is studied by means of asymptotic methods, in the vicinity of homoclinic or heteroclinic trajectories. A general expression for the probability of noise-induced separatrix crossing is obtained, and is illustrated by means of a two-well Duffing oscillator. It shows how weak noise can significantly affect the dynamics near separatrices. In addition, the influence of the degree of non-linearity of the noise amplitude is discussed.

Keywords

Cite

@article{arxiv.2008.06482,
  title  = {Separatrix crossing due to multiplicative colored noise},
  author = {Jean-Régis Angilella},
  journal= {arXiv preprint arXiv:2008.06482},
  year   = {2020}
}
R2 v1 2026-06-23T17:52:02.909Z