2 papers
cond-mat.str-el2012
Density matrix theory in real space of exchange and correlation energies for organic electronic systems
Hua Zhao
This paper has been withdrawn by the author due to error in equation (46).
cond-mat.other2008
Long-range correlation energies and off-diagonal interactions for the electronic systems
Hua Zhao
The long-range correlation energies and the off-diagonal interactions are studied and a general formula for correlation energy of the electron systems is given, which is…