对“石墨烯单层中电子和空穴速度的回旋共振研究”的评论
Comment on "Cyclotron resonance study of the electron and hole velocity in graphene monolayers"
摘要：
在这篇评论中，它指出，在石墨烯中观察到的相同数量级的电子速度已经在GaAs亚微米器件中测量了很久以前。由于凝聚态系统中的空穴不能被视为反电子，因此石墨烯中与电子和空穴有效质量有关的粒子-反粒子不对称性似乎令人困惑。在这方面的注意力被提请到新的方法的基础上无质量的电子和磁场表示角动量的光子流体的解释。为了验证无质量电动力学，提出了平行测量石墨烯和GaAs中电子速度的方法。
英文摘要：
In this comment it is pointed out that the electron velocity of the same order as observed in graphene had been measured in GaAs submicron devices long ago. Particle- antiparticle asymmetry related with electron and hole effective masses in graphene seems puzzling as hole in a condensed matter system cannot be treated as anti-electron. It is argued that there should be a universal electrodynamics for QHE and superconductivity. In this context attention is drawn to the new approach based on massless electron and the interpretation that magnetic field represents angular momentum of the photon fluid. Measurement of electron velocity in graphene and GaAs in parallel is suggested for testing the massless electrodynamics.
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