[Pw_forum] vdw

[Olga Sedelnikova]

Dear all,

I cannot find any documentation about vdw code. Please describe basic
approaches used for polarizability calculations.
Examples 33 and 34 illustrates how to use ph.x and vdw.x to calculate
polarizability of methane molecules. But results do not agree esecially for
static value. Which method is better?

Thank you,

Olga
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