[Pw_forum] about Fermi Energy shift in periodic (q=0) perturbations

[Nicola Marzari]

Ezad Shojaee wrote:
> Hi
> can anyone refer me to some speciefic references about how and 
> why perodic perturbations(q=0) shift Fermi Energy in metals(in detail)?
> Thanx 


Probably this is a good start:
http://arxiv.org/abs/0709.4647


			nicola



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