众多自由度离散非线性系统的响应
其他凝聚态物理
2009-04-09 v2 斑图形成与孤子
摘要
我们研究了大规模耦合非线性振子器对参数激励的响应,这源于对微观电机和纳米电机系统(MEMS和NEMS)非线性动力学日益关注的兴趣。通过多尺度分析,我们推导出一个幅值方程,捕捉到耦合振子在参数振荡临界点附近的慢动态。此处推导的幅值方程从原理出发,表现出类似于流体在法拉第波不稳定现象中所知行为的波数相关分岔。我们通过数值仿真确认了这种行为,并提出建议在MEMS和NEMS共振器中进行实验测试。
引用
@article{arxiv.cond-mat/0411008,
title = {Response of discrete nonlinear systems with many degrees of freedom},
author = {Yaron Bromberg and M. C. Cross and Ron Lifshitz},
journal= {arXiv preprint arXiv:cond-mat/0411008},
year = {2009}
}
备注
Version 2 is an expanded version of the article, containing detailed steps of the derivation that were left out in version 1, but no additional results