[Wien] A question about unit of electric field in in0

[Peter Blaha]

You must multiply by 4 ! (because field varies from +100 to -100 and
since it is a zig-zag, it varies in half the period)

zhao schrieb:
> Dear Prof. P. Blaha,
> 
> In your paper, PRB-63-165205(2001), you say that external potential
> 100mRy corresponds to 700 kV/mm. When I tried to get this unit
> transformation, I was confused by something. The following is my
> problem. 
> --------------------------------------------------
> c=8*sqrt(3)*a0
> a0=5.65 Angs
> Efield= 0.1Ry/c=0.1*13.6V/(8*sqrt(3)*a0)= 173 kV/mm
> --------------------------------------------------
> 
> I cannot get 700 kV/mm. Can you tell me what's wrong with myself?
> Thank you very much.
> 
> 
> 
> Best wishes,
> 
> Sincerely,
> Yong-Hong Zhao
> 
> 
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-- 

                                       P.Blaha
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Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
Email: blaha at theochem.tuwien.ac.at    WWW: http://info.tuwien.ac.at/theochem/
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