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  1. 1 Acta Physica Polonica A

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  1. 1 2017

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  1. 1 Dugaev V.

  2. 1 Inglot M.

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Absorption of Twisted and Linearly Polarized Light in Graphene with Rashba Spin-Orbit Interaction

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Inglot M., Dugaev V.
Acta Physica Polonica A
|
2017
|
vol. 132
|
issue 1
193-195
EN
Theoretical analysis of the electron excitations in graphene on substrate by twisted, linear and circular polarization light is presented. We use a model of graphene with constant Rashba spin-orbit interaction. In this case, the band structure of electrons includes four energy bands. The main objective of this work is to compare light absorptions in graphene for different kinds of light, namely, twisted (with nonzero orbital angular momentum) and linear polarized light. The orbital angular momentum light is characterized by some parameters q and l, which can modify the response, while for the linear polarization, the absorption is modified only in the region determined by the Rashba spin-orbit coupling α.
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