Periodic current domains in bundles of carbon nanotubes

被引:13
|
作者
Belonenko, M. B. [1 ]
Demushkina, E. V. [2 ]
Lebedev, N. G. [2 ]
机构
[1] Volgograd State Architectural Univ, Volgograd 400074, Russia
[2] Volgograd State Univ, Volgograd 400062, Russia
基金
俄罗斯基础研究基金会;
关键词
81.07.De; 78.67.Ch; 42.65.Ky;
D O I
10.1134/S1063784208070013
中图分类号
O59 [应用物理学];
学科分类号
摘要
The dynamics of propagation of periodic electromagnetic waves and the related electric current in bundles of carbon nanotubes is studied. The study is based on an analysis of coupled equations for the classical electron distribution function in carbon nanotubes and the Maxwell equations for an electromagnetic field. An effective equation is obtained to describe the electromagnetic-field dynamics. Periodic changes are revealed in the shape of the electromagnetic wave propagating in a carbon medium. This effect is considered to be related to energy exchange between periodic oscillations having different periods. Certain regions of the current passing through carbon nanotubes form a periodic domain structure. The results of numerical calculations allow this effect to be analyzed as a function of the problem parameters.
引用
收藏
页码:817 / 823
页数:7
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