STABILIZATION OF BREATHERS IN A PARAMETRICALLY DRIVEN SINE-GORDON SYSTEM WITH LOSS

被引：26
|
作者：
GRONBECHJENSEN, N [1 ]
KIVSHAR, YS [1 ]
SAMUELSEN, MR [1 ]
机构：
[1] KHARKOV LOW TEMP PHYS & ENGN INST, KHARKOV 310164, UKRAINE, USSR
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.43.5698
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate that in a parametrically driven sine-Gordon system with loss, a breather, if driven, can be maintained in a steady state at half the external frequency. In the small-amplitude limit the system is described by the effective perturbed nonlinear Schrodinger equation. For an arbitrary breather amplitude the threshold field is determined by a perturbation method and compared with direct numerical simulations. Excellent agreement is found.
引用
收藏
页码：5698 / 5701
页数：4
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