[Pw_forum] Strange values of Tc

[Isaiah Moses]

Thanks a lot, Dr Giovanni.
I appreciate your response.
We observed few values of frequencies to be negative.
Matdyn1 has few more with others having either the first or the first 2/3
to be negative.
We set those to be zero, modifying lambda.f90 code.

Could that be the problem?

I've attached the input/output for lambda.x execution. Also matdyn1.

There are 62-points and 33 irreps.
I appreciate your time.

-- 
Isaiah Abu Moses
Graduate Student,
Physics Department,
University of Ibadan,
Nigeria
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