[Pw_forum] lambda convergence
baroni at sissa.it
Wed Aug 30 19:57:20 CEST 2006
On Aug 30, 2006, at 4:09 PM, 英国 高 wrote:
> Dear all PWSCF users,
> Before I calcualte the electron-phonon coupling constant, I
> should judge the convergence of lambda with k-mesh and Gaussian
> broadening. But my results
> show that lambda at a choosed q point do not close to be a constant
> with increasing Gaussian broadening at different k-meshs,
you mean _decreasing_ don't you?
> it continues to decrease. I think the largest k-mesh has been
> already very large. So what is the reason for this and how should I
> choose the gaussian broadening in this case.
> Thanks for any suggestion.
Stefano Baroni - SISSA & DEMOCRITOS National Simulation Center -
[+39] 040 3787 406 (tel) -528 (fax) / stefanobaroni (skype)
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