[Wien] A question regarding GGA+U method

2011-10-14 Thread shamik chakrabarti
Dear wien2k users, If we use exchange correlation potential GGA and modify case.inorb in such a way that nmod=1 and nsic=1 (SIC method, Anisimov et al) then what we are using: *GGA+U or self interaction corrected GGA?...or they are actually different terminology of the

[Wien] A question regarding GGA+U method

2011-10-14 Thread t...@theochem.tuwien.ac.at
There are several versions (at least six) of the LDA/GGA+U method and one of them is SIC, which is also called fully localized limit (FLL) or atomic limit in the literature. The SIC method used in Szotek et al. [PRB 74, 174431 (2006)] is not a LDA/GGA+U method. This is the method of Perdew and

[Wien] A question regarding GGA+U method

2011-10-14 Thread shamik chakrabarti
Sir, Thank you very much for your quick response and suggestion. with best regards, On Fri, Oct 14, 2011 at 12:48 PM, tran at theochem.tuwien.ac.at wrote: There are several versions (at least six) of the LDA/GGA+U method and one of them is SIC, which is also called fully localized limit