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Inverse Faraday effect in graphene and Weyl semimetals

机译：逆法拉第在石墨烯和Weyl半定中的效果

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摘要

We report systematic theoretical studies of the inverse Faraday effect in materials with massless Dirac fermions, both in two dimensions such as graphene and surface states in topological insulators, and in three dimensions such as Dirac and Weyl semimetals. Both semiclassical and quantum theories are presented, with dissipation and finite-size effects included. We find that the magnitude of the effect can be much stronger in Dirac materials as compared to conventional semiconductors. Analytic expressions for the optically induced magnetization in the low-temperature limit are obtained. Strong inverse Faraday effect in Dirac materials can be used for the optical control of magnetization, all-optical modulation, and optical isolation.
机译：我们报告了对具有无抽质DIRAC码头的材料的反向法拉第效应的系统理论研究，两种维度（如石墨烯和表面状态）在拓扑绝缘体中，以及诸如Dirac和Weyl Semimetals的三维。提供了Semallassical和量子理论，包括耗散和有限尺寸的效果。我们发现与传统半导体相比，DirAC材料的效果的大小可以更强大。获得了光学诱导磁化在低温极限中的分析表达式。 DIRAC材料中的强逆法拉第效应可用于磁化，全光调制和光学隔离的光学控制。

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  • 来源
    《Physical review》 |2020年第17期|174429.1-174429.12|共12页
  • 作者

    I. D. Tokman; Qianfan Chen; I. A. Shereshevsky; V. I. Pozdnyakova; Ivan Oladyshkin; Mikhail Tokman; Alexey Belyanin;

  • 作者单位

    Institute for Physics of Microstructures Russian Academy of Sciences Nizhny Novgorod 603950 Russia Lobachevsky State University of Nizhny Novgorod Nizhny Novgorod 603950 Russia;

    Department of Physics and Astronomy Texas A&M University College Station Texas 77843 USA;

    Institute for Physics of Microstructures Russian Academy of Sciences Nizhny Novgorod 603950 Russia Lobachevsky State University of Nizhny Novgorod Nizhny Novgorod 603950 Russia Sirius University of Science and Technology 354340 Sochi Russia;

    Institute for Physics of Microstructures Russian Academy of Sciences Nizhny Novgorod 603950 Russia Lobachevsky State University of Nizhny Novgorod Nizhny Novgorod 603950 Russia Sirius University of Science and Technology 354340 Sochi Russia;

    Institute of Applied Physics Russian Academy of Sciences Nizhny Novgorod 603950 Russia;

    Institute of Applied Physics Russian Academy of Sciences Nizhny Novgorod 603950 Russia;

    Department of Physics and Astronomy Texas A&M University College Station Texas 77843 USA;

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