Comment on "Cyclotron resonance study of the electron and hole velocity in graphene monolayers"

Details Comment on "Cyclotron resonance study of the electron and hole velocity in graphene monolayers" Comment on "Cyclotron resonance study of the electron and hole velocity in graphene monolayers"

2007-05-26

arxiv.org/abs/0705.3883v1

Physics

General Physics

2 pages no figures

Scientific paper

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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