[Wien] LDA+U with constant orbital potential

[Michelle Johannes]

Dear Wien users,
	I have been using LDA+U along with spin-orbit coupling for an
f-electron system.  I can get a converged calculation with runsp_lapw -so
-orb, but then if I run another iteration using runsp_lapw -so -orbc, the
energy jumps by about a Rydberg!  Since my potential is already converged,
shouldn't it be that nothing happens if I freeze the orbital part?  Or do
I misunderstand the use of the -orbc flag?  I hope there is a simple
answer to this, but if not, I can send along any useful files.

	Thank you in advance for your advice,
			Michelle

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Michelle Johannes       (202) 404-8626
Center for Computational Materials Science
Code 6390, Naval Research Laboratory
Washington DC 20375