[Wien] Choice of Coulomb Energy

[Elias Assmann]

On 06/17/2013 03:53 PM, Laurence Marks wrote:
> N.B., personally I consider LDA+U to be relatively obsolete and would
> always use the on-site -eece as a more general method. You calibrate
> this via a reference, in my opinion.

I do not have any experience with ‘-eece’ myself, so I am curious: isn't 
it true that you have to select a HF fraction ‘alpha’ in this case? 
Where do you get that from?  Seems to me you are exchanging one 
adjustable parameter for another one.

	Elias