[Wien] exchange interaction J

Pavel Novak novakp at fzu.cz
Mon Sep 27 14:48:21 CEST 2010


Dear Marziye Foroughpour,

for calculation of Heisenberg exchange integrals using WIEN2k see PRB 71, 
184433 (2005). To include double exchange see PRB 66, 132403 (2002).

Regards Pavel Novak


On Sun, 26 Sep 2010, marziye foroughpour wrote:

> Dear wien2k users,
>
>   I want to estimate the Curie temperature within Mean-field theory.
> You know that for calculation this temperature I need exchange
> interaction in   Heisenberg Hamiltonian and with J,j= ~-~) d, Im
> Trt.{A,i;JAji~' }. ,
> I'd like to know How can I calculate exchange interaction (J) by Wien2k  for
> a
> system with Half-metallic ferromagnetic property If it's
> possible??
> I heard about  connection between J and difference energy s of ferromagnetic
> and paramagnetic structure, what  ratio is between J and those energie
>
> M. Foroughpour
> Department of Physics
> Shiraz University
>

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