Multiple island chains in wave-particle interactions

被引：2

作者：

de Sousa, M. C. ^{[1
]}

Caldas, I. L. ^{[1
]}

Ozorio de Almeida, A. M. ^{[2
]}

Rizzato, F. B. ^{[3
]}

Pakter, R. ^{[3
]}

机构：

[1] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil

[2] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[3] Univ Fed Rio Grande do Sul, Inst Fis, Porto Alegre, RS, Brazil

来源：

XVII BRAZILIAN COLLOQUIUM ON ORBITAL DYNAMICS, CBDO 2014 | 2015年 / 641卷

关键词：

MAGNETIC-FIELD LINES; HAMILTONIAN-SYSTEMS; TOKAMAK; CHAOS; MAPS;

D O I：

10.1088/1742-6596/641/1/012003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyze the isochronous island chains that appear in the Poincare sections of near integrable twist systems. When the system presents just one resonant perturbation with a winding number, the number of chains is constant and it is completely determined by the perturbation. However, for systems that are perturbed by an infinite number of resonant perturbations with the same winding number, the number of isochronous chains depends on the superposition of the perturbations and it is a function of the parameters. Considering a system that describes wave-particle interaction, we show that the number of island chains increases without limit when the wave period or wave number are increased.

引用

页数：6

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