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Controlling the polarization fluctuation of excitons in armchair graphene ribbons by a laser field

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  • F. Peng

Abstract

We investigate the effect of the laser field on the polarization fluctuation of excitons in graphene ribbons. In order to calculate the fluctuation, we develop a bosonization method to deal with the electron-hole system. Our results show that the polarization fluctuation may be controlled by adjusting the strength and frequency of the laser field. The insulating armchair graphene ribbons may be divided into two types according to the width-dependences of the excitonic polarization fluctuation. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

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  • F. Peng, 2011. "Controlling the polarization fluctuation of excitons in armchair graphene ribbons by a laser field," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 79(4), pages 479-483, February.
    • Handle: RePEc:spr:eurphb:v:79:y:2011:i:4:p:479-483
    DOI: 10.1140/epjb/e2011-10696-x
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