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I am trying to find a 'easier' or more 'intuitive' way to calculate the conductivity of graphene. I want do this by using atomic or molecular orbitals. Anyone have a clue about how this can be done? Any paper or book will be appreciate.

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  • $\begingroup$ AC or DC conductivity? $\endgroup$
    – Gilbert
    May 29 '18 at 18:42
  • $\begingroup$ @Gilbert Any of then $\endgroup$
    – Ivanovitch
    May 29 '18 at 21:36
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Start with the tight binding method, which is essentially the coupling of atomic orbitals, to calculate the band structure. Then use Fermi’s Golden Rule to compute the transition rate under light excitation, which you can then relate to the optical conductivity.

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  • $\begingroup$ what do you mean with 'optical conductivity'? $\endgroup$
    – Ivanovitch
    May 31 '18 at 16:18
  • $\begingroup$ @Ivanovitch AC conductivity due to interband absorption. $\endgroup$
    – Gilbert
    May 31 '18 at 16:19

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