FUNCTIONAL NAME: GE2-NWCHEM
This is a KINETIC ENERGY Density Functional Theory functional
FUNCTIONAL FAMILY: GGA
DESCRIPTION: Second-order gradient expansion of the kinetic energy density. NWChem variant.
REFERENCES
A. S. Kompaneets and E. S. Pavlovskii., Zh. Eksp. Teor. Fiz. 31, 427 (1956)
D. A. Kirznits., Zh. Eksp. Teor. Fiz. 32, 115 (1957)