I know my system is instable, but calculation for the stable systems takes 160
days for each q point on a 8 core machine!! In the other hand some people have
published a Nature article about the superconductive properties calculation of
that instable system with your code. Any way, thank you for your answer.
>
> As discussed, many times in this forum, as well as in many
> textbooks,?
> negative squared ferquencies are a signal of a mechanical
> instability.?
> Are you sure that you want to spend a lot of computer
> resources?
> calculating the supercondictive properties of an instable
> (and, hence,?
> non-existent unless very special conditions occur) system?
> SB
>
