...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Physical review >Dynamical polarizability of graphene irradiated by circularly polarized ac electric fields
【24h】

Dynamical polarizability of graphene irradiated by circularly polarized ac electric fields

机译：圆极化交流电场辐照石墨烯的动态极化率

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

We examine the low-energy physics of graphene in the presence of a circularly polarized electric field in the terahertz regime. Specifically, we derive a general expression for the dynamical polarizubility of graphene irradiated by an ac electric field. Several approximations are developed that allow one to develop a semianalytital theory for the weak-field regime. The ac field changes qualitatively the single- and many-electron excitations of graphene: Undoped samples may exhibit collective excitations (in contrast to the equilibrium situation), and the properties of the excitations in doped graphene are strongly influenced by the ac field. We also show that she intensity of the external field is the critical control parameter for the stability of these excitations.
机译：我们研究了在太赫兹状态下存在圆极化电场的情况下石墨烯的低能物理学。具体而言，我们导出了交流电场辐照的石墨烯的动态极化率的一般表达式。已开发出几种近似方法，使人们可以为弱场理论开发一种半分析理论。交流场在质量上改变了石墨烯的单电子和多电子激发：未掺杂的样品可能表现出集体激发（与平衡状态相反），并且掺杂的石墨烯中的激发特性受到交流场的强烈影响。我们还表明，外部磁场的强度是这些激励的稳定性的关键控制参数。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号