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I am just wondering how to calculate electron distribution using tight binding band structure for a system like graphene or any other solid.

So the goal is to get |\psi(r)|^2 which \psi is the band state and it is the linear combination of Bloch sum:

\psi={\sum_n,R}{c_nk}exp(ik.R){\phi(r-r_nR)}

c_nk is the eigenvector of the tight binding band structure that we already have them. n is the the orbital position in R unit cell and \phi is \pi orbital.

Thank you for your help in advance.

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# Electron distribution using tight binding band structure?

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