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Calculation of magnetic anisotropy
Date: 2012/03/07 04:50
Name: jlrch

Hello all,

what would be the way to compute the magnetic anisotropy of a molecule in OpenMX? My initial attempt was to compute the energy by constraining the direction of the magnetic moments but I don't know if there is a way to do it without restrictions, i.e., in a completely selfconsistent way.

Regards,

- JLRCH
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Re: Calculation of magnetic anisotropy ( No.1 )
Date: 2012/03/23 08:35
Name: T. Ozaki

Hi,

The magnetic anisotropy energy can be calculated using the constraint scheme
as illustrated in http://www.openmx-square.org/openmx_man3.6/node84.html
Another way is to start the SCF calculations with several different magnetic
directions without the constraint, and compare the total energies.
However, I guess that getting self consistency may be difficult in some systems.

Regards,

TO
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