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Nonlinear optical vibrations of single-walled carbon nanotubes. 1. Energy exchange and localization of low-frequency oscillations

机译:单壁碳纳米管的非线性光学振动。 1.能量交换和低频振荡的局部化

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摘要

We present the results of analytical study and molecular dynamics simulation of low energy nonlinear non-stationary dynamics of single-walled carbon nanotubes (CNTs). New phenomena of intense energy exchange between different parts of CNT and weak energy localization in the excited part of CNT are analytically predicted in the framework of the continuum shell theory. Their origin is clarified by means of the concept of Limiting Phase Trajectory, and the analytical results are confirmed by the molecular dynamics simulation of simply supported CNTs. (C) 2016 Elsevier B.V. All rights reserved.
机译:我们介绍了单壁碳纳米管(CNTs)的低能非线性非平稳动力学的分析研究和分子动力学模拟的结果。在连续壳理论的框架内,分析预测了碳纳米管不同部分之间剧烈的能量交换和碳纳米管受激部分中的弱能量局部化的新现象。通过限制相轨迹的概念阐明了它们的起源,并且通过简单负载的CNT的分子动力学模拟证实了分析结果。 (C)2016 Elsevier B.V.保留所有权利。

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