Investigation of energy relaxation in 1-D nonlinear lattices by wavelets

被引：0
|
作者：
B. Zengin
H. Yaraneri
S. Korunur
机构：
[1] Dicle University,
[2] Faculty of Science,undefined
[3] Physics Department,undefined
[4] Adnan Menderes University,undefined
[5] Faculty of Science and Literature,undefined
[6] Physics Department,undefined
来源：
The European Physical Journal B | 2012年 / 85卷
关键词：
Statistical and Nonlinear Physics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The movement and relaxation of the localized energy on FPU lattices have been studied by using Wavelet transforms methods. The energy relaxation mechanism for nonlinear chains involves the degradation of higher frequency excitations into lower frequencies. It is shown that low frequency modes decay more slowly in nonlinear chains. The wavelet spectrum exhibits a behavior involving the interplay of phonon modes and breather modes.
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