Magneto-optical properties of multilayer graphenes

Details Magneto-optical properties of multilayer graphenes Magneto-optical properties of multilayer graphenes

2008-03-20

arxiv.org/abs/0803.3023v1

Phys. Rev. B 77, 115313 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 7 figures

Scientific paper

10.1103/PhysRevB.77.115313

The magneto-optical absorption properties of graphene multilayers are theoretically studied. It is shown that the spectrum can be decomposed into sub-components effectively identical to the monolayer or bilayer graphene, allowing us to understand the spectrum systematically as a function of the layer number. Odd-layered graphenes always exhibit absorption peaks which shifts in proportion to sqrt(B), with B being the magnetic field, due to the existence of an effective monolayer-like subband. We propose a possibility of observing the monolayer-like spectrum even in a mixture of multilayer graphene films with various layers numbers.

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