[Wien] Error in fermi energy of graphene

Oleg Rubel orubel at lakeheadu.ca
Mon Mar 3 16:17:47 CET 2014

> Approximately, the Fermi energy must be about -0.056 Ry in correct
> conditions, but I obtain -0.088 Ry.

The arbitrariness of Ef is dicussed in FAQ:

I would suggest not to be concerned about the value of Ef at all, as long
as the band structure is OK. Instead, please make sure that your k-mesh
includes the Dirac points. (Perhaps you need an non-shifted mesh).

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