EFFECTIVE SPEED OF ARNOLD DIFFUSION AND SMALL DENOMINATORS

被引：33

作者：

LOCHAK, P

机构：

[1] CMA-ENS, F-75005 Paris, 45, rue d'Ulm

来源：

PHYSICS LETTERS A | 1990年 / 143卷 / 1-2期

关键词：

D O I：

10.1016/0375-9601(90)90794-O

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We illustrate the influence of a certain type of resonances on the speed of Arnold's diffusion for Hamiltonian systems; this makes it possible to derive plausible estimates, in view of the upper bound provided by Nekhoroshev's theorem. We also emphasize the inadequacy of the variational (Poincaré-Melnikov) method. © 1990.

引用

页码：39 / 42

页数：4

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