[Pw_forum] How to ignore small negative phonon frequency

[adurajski at wip.pcz.pl]

Dear all,
I have a similar problem with negative phonon frequency.
I join in the request for help in solving this problem.

Best regards,
Artur
-- 
Institute of Physics
Czestochowa University of Technology


> Dear all,
>
> I'm getting a small negative frequency in my phonon calculation, and
> consequently getting NAN for Tc and related quantities while running
> lambda.x. I've found a post in the forum (http://www.mail-archive.com/
> pw_forum at pwscf.org/msg28237.html) where two probable solutions were
> suggested. Can someone please guide me how to proceed? I mean which lines
> in which files need to be edited?
>
> Best regards,
> Subhodip
>