[Pw_forum] van der waals

[Masoud Nahali]

Dear Mahdi

Try "london=.true." in your input file and then check your result carefully
to find the changes compared to the input file which does not have the
"london=.true.'.



 Best Wishes

 Masoud
--------------
Masoud Nahali, Sharif University of Technology



 Mahdi Mirnezhad wrote:
>
> Dear,all
> How can I calculate van der waals  interaction between to layer in nanotube
> ?
> or
> related between van der waals and energy?
> thanks for your attention
> mahdi mirnezhad,iran,guilan
>
>
>
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