[Pw_forum] dielectric tensor and Born effective charge tensor

[Pietro Delugas]

Dear Min

the static dielectric tensor (it is called Dielectric constant as usual) 
at clamped ions and the Effective  charges are still printed out by ph 
in the same format as the previous releases.  If you need the whole 
dielectric tensor including lattice contribution you should use dynmat.x 
for postprocessing.

regards Pietro


On 12/12/2017 23:27, Min Hong wrote:
> Dear Lorenzo and QE users,
>
> I am using qe-6.2.
>
> It seems to me that I cannot find dielectric tensor and  Born effective charge tensor in the output of ph.x.
>
> Therefore, in the output of q2r.x, there is no these information as well.
>
> How can I get these two information in ph.x of qe-6.2?
>
> In the previous version, such as qe-6.2, I can get dielectric tensor and  Born effective charge tensor after running ph.x.
>
> Thank you very much
>
> Regards,
>
> Min
>
> Postdoctoral fellow
> University of Queensland, Australia
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