[Pw_forum] VdM force

[Lorenzo Paulatto]

On Sat, May 30, 2009 15:28, Mehrnaz Anvari wrote:
>  because you wrote that the pseudopotentials
>  frozen-core are different types of approximation.

Yes, the pseudopotential aproximation always (in practice) includes the
frozen-core aproximation; but the opposite is not true. The PAW method
formally falls in this category.

regards

-- 
Lorenzo Paulatto
SISSA  &  DEMOCRITOS (Trieste)
phone: +39 040 3787 511
skype: paulatz
www:   http://people.sissa.it/~paulatto/



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