[Pw_forum] [Fwd: dielectric tensor]

Eduardo Ariel Menendez Proupin eariel99 at gmail.com
Tue Feb 24 15:50:10 CET 2009


Dear Vivek,
I think you can calculate the low frequency dielectric tensor using the
PHONON output and a formula.
Please, see PHYSICAL REVIEW B 76, 245110 (2007), eq. (1).

Maybe PHONON can calculate directly, but I don not find how.
Best regards
Eduardo

-- 
Eduardo Menendez
Departamento de Fisica
Facultad de Ciencias
Universidad de Chile
Phone: (56)(2)9787439
URL: http://fisica.ciencias.uchile.cl/~emenendez



>
> ---------- Mensaje reenviado ----------
> From: "Vivek Ranjan" <vranjan at ncsu.edu>
> To: pw_forum at pwscf.org
> Date: Mon, 23 Feb 2009 10:05:03 -0500 (EST)
> Subject: [Pw_forum] [Fwd: dielectric tensor]
>
>
> ---------------------------- Original Message ----------------------------
> Subject: dielectric tensor
> From:    "Vivek Ranjan" <vranjan at ncsu.edu>
> Date:    Fri, February 20, 2009 4:54 pm
> To:      pw_forum at pwscf.org
> --------------------------------------------------------------------------
>
> Hello,
>
> I was wondering if PWSCF can calculate low frequency dielectric
> permittivity tensor. I would like to calculate dielectric constant in KHz
> frequency range.
>
> Thank you,
>
> Vivek Ranjan
> NCSU
>
>
> __________________________________________________________________________
> web : http://www.geocities.com/vivekranjanweb
> __________________________________________________________________________
> Vivek Ranjan                             Email : vranjan at chips.ncsu.edu
> Center for High Performance Simulation         : vranjan at ncsu.edu
> Department of Physics
> NC State University                      Phone : +1-919-513-0613 (Office)
> Campus Box 7518                          Fax   : +1-919-513-4804
> Raleigh, NC 27695
> --------------------------------------------------------------------------
>
>
>
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