Stochastic versus dynamic approach to Levy statistics in the presence of an external perturbation

2) ((1) Physics Dep.t University of Pisa; (2) Center for Nonlinear Science; M. Annunziato (1); P. Grigolini (1; University of North Texas)

arxiv: cond-mat/9909456 · v1 · submitted 1999-09-30 · ❄️ cond-mat.stat-mech

Stochastic versus dynamic approach to Levy statistics in the presence of an external perturbation

M. Annunziato (1) , P. Grigolini (1 , 2) ((1) Physics Dep.t University of Pisa , (2) Center for Nonlinear Science , University of North Texas) This is my paper

classification ❄️ cond-mat.stat-mech

keywords levyregimestatisticsaccordinganalyzeappliesapproachattracted

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We study the influence of a dissipation process on diffusion dynamics triggered by slow fluctuations. We study both strong- and weak-friction regime. When the latter regime applies, the system is attracted by the basin of either Gauss or Levy statistics according to whether the fluctuation correlation function is integrable or not. We analyze with a numerical calculation the border between the two basins of attraction.

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Stochastic versus dynamic approach to Levy statistics in the presence of an external perturbation

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