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Parametric resonances in electrostatically interacting carbon nanotube arrays

机译:静电相互作用的碳纳米管阵列中的参数共振

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摘要

We study, numerically and analytically, a model of a one-dimensional array of carbon nanotube resonators in a two-terminal configuration. The system is brought into resonance upon application of an ac signal superimposed on a dc bias voltage. When the tubes in the array are close to each other, electrostatic interactions between tubes become important for the array dynamics. We show that both transverse and longitudinal parametric resonances can be excited in addition to primary resonances. The intertube electrostatic interactions couple modes in orthogonal directions and affect the mode stability.
机译:我们在数值和分析上研究了处于两端子构造的碳纳米管谐振器的一维阵列模型。当施加叠加在直流偏置电压上的交流信号时,系统将进入共振状态。当阵列中的管彼此靠近时,管之间的静电相互作用对于阵列动力学变得重要。我们表明,除了初级共振以外,还可以激发横向和纵向参数共振。管间静电相互作用在正交方向上耦合模式并影响模式稳定性。

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