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- From: Julie Smart <smart.julie@rocketmail.com>
- To: forum@abinit.org
- Subject: [abinit-forum] mixed up by dielectric tensor
- Date: Thu, 2 Apr 2009 21:16:37 -0700 (PDT)
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Hello all,
I am really mixed up by the dielectric tensor calculation in ABINIT.
In the result of static non-linear properties, what we obtain is as follows, if I am wrong please correct me:
'"Electronic dielectric tensor'" which is equal to "'Optical dielectric constant'" which is epsilon sub infinity called the "'clamped ion tensor'".
and
'"Relaxed ion dielectric tensor'" which is "'static dielectric constant'" which is the epsilon sub zero which is called the '"fixed strain relaxed ion tensor'".
Regards,
Julie
I am really mixed up by the dielectric tensor calculation in ABINIT.
In the result of static non-linear properties, what we obtain is as follows, if I am wrong please correct me:
'"Electronic dielectric tensor'" which is equal to "'Optical dielectric constant'" which is epsilon sub infinity called the "'clamped ion tensor'".
and
'"Relaxed ion dielectric tensor'" which is "'static dielectric constant'" which is the epsilon sub zero which is called the '"fixed strain relaxed ion tensor'".
Regards,
Julie
- [abinit-forum] mixed up by dielectric tensor, Julie Smart, 04/03/2009
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