Abstract
A possible method for describing graphene in an anomalous-dispersion region is proposed. Taking electron-electron interaction in graphene into account leads to distortion of the linear character of the dispersion law. The distorted dispersion law can be approximated by the fractional-power law, which leads to Riesz fractional derivatives in the equation for Green’s functions. The presence of impurity atoms in graphene leads to the same distortion.
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Original Russian Text © Z.Z. Alisultanov, R.P. Meilanov, 2013, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2013, No. 1, pp. 50–54.
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Alisultanov, Z.Z., Meilanov, R.P. On the theory describing graphene in an anomalous-dispersion region. J. Surf. Investig. 7, 46–50 (2013). https://doi.org/10.1134/S1027451013010035
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DOI: https://doi.org/10.1134/S1027451013010035