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Optical dichroism by nonlinear excitations in graphene nanoribbons

机译:石墨烯纳米带中非线性激发引起的光学二向色性

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摘要

The honeycomb carbon structure of graphene and nanotubes has a dynamics which can give rise to a spectrum. This can be excited via the interaction with an external electromagnetic field. In this work, nonlinear waves on graphene and nanotubes associated with the carbon structure are investigated using a gauge model. Typical energies are estimated and their scaling with the nanoribbon width investigated. Furthermore, the soliton-photon interaction depends on the incident photon polarization. In particular, we find that the nanoribbon is transparent when the polarization is along the largest length. Relying on the scaling with the width, we suggest a way to experimentally identify the soliton waves in nanoribbons.%045429-1
机译:石墨烯和纳米管的蜂窝碳结构具有动力学,可以产生光谱。这可以通过与外部电磁场的相互作用来激发。在这项工作中,使用量规模型研究了石墨烯和与碳结构相关的纳米管上的非线性波。估算了典型能量,并研究了其与纳米带宽度的比例关系。此外,孤子-光子相互作用取决于入射光子的极化。特别地,我们发现当极化沿着最大长度时,纳米带是透明的。依靠宽度的缩放比例,我们提出了一种通过实验识别纳米带中孤子波的方法。%045429-1

著录项

  • 来源
    《Physical review》 |2013年第4期|850-855|共6页
  • 作者单位

    Instituto de Fisica, Universidade Federal Fluminense, 24210-3400, Niteroi, RJ, Brazil;

    Instituto de Fisica, Universidade Federal Fluminense, 24210-3400, Niteroi, RJ, Brazil;

    Departamento de Fisica, Instituto Tecnologico de Aerondutica, 12.228-900, Sao Jose dos Campos, SP, Brazil;

    Departamento de Fisica, Instituto Tecnologico de Aerondutica, 12.228-900, Sao Jose dos Campos, SP, Brazil,Departamento de Fisica, Universidade de Coimbra, 3004-516 Coimbra, Portugal;

    Departamento de Fisica, Universidade Federal de Sao Carlos, 13565-905 Sao Carlos, SP, Brazil;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    theories and models of many-electron systems; field theories in dimensions other than four;

    机译:多电子系统的理论和模型;四个维度以外的领域理论;

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