dielectric tensors in phonon calculation using the QE

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guodonglin
Posts: 6
Joined: Mon Mar 29, 2021 5:56 am
Affiliation: CQU

dielectric tensors in phonon calculation using the QE

Post by guodonglin »

Hello everyone,

Using the QE, i obtain the dielectric tensors by ph.x, i want to know, Is this dielectric constant a high frequency dielectric constant or a static

dielectric constant? thank you very much.

<EPSILON type="real" size="9" columns="3">
1.040587278179623E+002 7.105427357601002E-015 -7.105427357601002E-015
2.131628207280301E-014 1.040587278179623E+002 -6.394884621840902E-014
-2.131628207280301E-014 -6.394884621840902E-014 1.040587278179623E+002
</EPSILON>

roxana
Posts: 172
Joined: Fri Jan 22, 2016 6:48 pm
Affiliation:

Re: dielectric tensors in phonon calculation using the QE

Post by roxana »

Hi,

Please post questions about QE on the QE forum.

Best,
Roxana
Roxana Margine
Associate Professor
Department of Physics, Applied Physics and Astronomy
Binghamton University, State University of New York

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