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Effect of electron phonon interaction on the optical conductivity of zigzag carbon nanotubes

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Abstract

Optical conductivity of a zigzag carbon nanotube is investigated in the context of the Holstein model. Green’s function approach is applied to calculate the optical conductivity as a function of photon frequency, temperature, and electron–phonon coupling strength. Based on our results, optical conductivity decreases with electron–phonon coupling constant for both metallic and semiconducting carbon nanotubes. Our results show that temperature yields shortening the height of peaks of zigzag CNT optical absorption.

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Authors and Affiliations

  1. Department of Physics, Razi University, Kermanshah, Iran

    Hamed Rezania

  2. Department of Chemistry, Razi University, Kermanshah, Iran

    Farid Taherkhani

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  1. Hamed Rezania
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  2. Farid Taherkhani
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Correspondence to Hamed Rezania.

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Rezania, H., Taherkhani, F. Effect of electron phonon interaction on the optical conductivity of zigzag carbon nanotubes. Appl. Phys. A 109, 343–347 (2012). https://doi.org/10.1007/s00339-012-7178-x

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  • DOI: https://doi.org/10.1007/s00339-012-7178-x

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