[Pw_forum] Polarization for electric field calculation

[Nossa, Javier]

Dear Quantum Espresso Users,

I am sorry to bother you again with my question. I could not resolve this
issue by myself.

I am trying to get the polarization due to a external electric field.
To do so, I started with a scf calculation.
Then a nscf calculation including an external electric field (lberry=
.true.).

After the calculation is done, no polarization due to the external electric
field is printed out (no-warning either).

I checked the berry tests (PW/tests) and I got the polarization for Berry's
phase (pw.scf.in and pw.nscf.in for input files).
But I do not get any polarization If I included the electric field (
pw.nscfEF.in <http://pw.nscfef.in/>).

I am sure there most be something wrong with my input file but I have not
been able to figure it out. I also tested FeO and it works fine.

I would greatly appreciate your help.

-- 
With best regards,
Javier Francisco Nossa

Postdoc at Geophysical Laboratory
Carnegie Institution of Washington
5251 Broad Branch Road, N.W.
Washington, DC 20015-1305
Tel.: 1.240.476.3993
E-mail: jnossa at carnegiescience.edu <dappleby at ciw.edu>
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