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Physics  2011 

Pseudospin in optical and transport properties of graphene

DOI: 10.1103/PhysRevLett.107.156801

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Abstract:

We show that the pseudospin being an additional degree of freedom for carriers in graphene can be efficiently controlled by means of the electron-electron interactions which, in turn, can be manipulated by changing the substrate. In particular, an out-of-plane pseudospin component can occur leading to a zero-field Hall current as well as to polarization-sensitive interband optical absorption.

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