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[abinit-forum] Calculating dielectric tensor

From: Julie Smart <smart.julie@rocketmail.com>
To: forum@abinit.org
Subject: [abinit-forum] Calculating dielectric tensor
Date: Fri, 6 Mar 2009 10:02:02 -0800 (PST)
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Dear Abinit users,

I have a question on calculating the dilectric tensor in ABINIT. In the response function calculation, in lesson "trf1-5.in", we have calculated the dielectric tensor for AlAs. Also, "Electronic dielectric tensor" and "Relaxed ion dielctric tensor" has been calculated in "tnlo-2".in and ... .

I want to know what the difference between these dielectric tensors is. If the dielectric tensor calculated from response function to homogeneous electric field is the "Relaxed ion dielctric tensor", why do their values differ in "tnlo-2.in" and "trf1-5.in"?

Regards,
Julie

[abinit-forum] Calculating dielectric tensor, Julie Smart, 03/06/2009
- Re: [abinit-forum] Calculating dielectric tensor, Xifan Wu, 03/06/2009
  - Re: [abinit-forum] Calculating dielectric tensor, Julie Smart, 03/07/2009