[Wien] Optical properties including spin-orbit

Chukwuemeka Okoye okoyecmi at yahoo.com
Tue Nov 16 10:58:56 CET 2004


 

Dear wien users,

 

I am calculating the optical conductivity of bcc iron  and found that the absorptive part is not always positive. This means that a plot of Re_sigma_xx   Re_sigma_yy  Re_sigma_zz  using  file fe.absorpup has a negative part. I think this is strange. This is because the mathematical expression (per spin) for  Re_sigma_xx  etc. makes it impossible for it to be negative.   

 

Thanks.

 

C M I Okoye





Chukwuemeka M I Okoye

Department of Physics and Astronomy,

University of Nigeria,Nsukka,

Enugu State, Nigeria.

+2348045257257

+234 42 771611

 
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