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

[zhao]

Dear Prof. Blaha,

  Thank you very much for your reply. I have got it.

Best Wishes,

Zhao






在 2008-05-23五的 08:29 +0200，Peter Blaha写道：
> 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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>