[Wien] spin orbit coupling with in1new
John Appleton
banger_deep at yahoo.com
Wed Nov 8 22:40:01 CET 2006
Dear user,
I posted this question earlier but
made a mistake (I quoted the
mixing parameter as 0.0 instead
of 0.05) so ignore the
previous posting. Basically
my problem is the following:
I have observed that at the beginning
of a new geometry step in mini,
the charge distance (grep :DIS *.scf) is
quite large. Eventually DIS is small
but it takes a long time for convergence.
I used a mixing factor of 0.05, PW scaling
of 0.1 and min -j 'runsp_lapw -i 120 -fc 1 -I' .
How do I fix the fluctuation?
Also how is the friction term ETA for
NEWT chosen? I'm using NEWT
because it works way better than
PORT and it is easier to adjust
delta(i).
Thanks
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