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cond-mat2003
Spin Resolution of the Electron-Gas Correlation Energy: Positive same-spin contribution
Paola Gori-Giorgi, John P. Perdew
The negative correlation energy per particle of a uniform electron gas of density parameter and spin polarization is well known, but its spin resolution into up-down, up-…
cond-mat2001
Uniform electron gas from two-particle wavefunctions
Paola Gori-Giorgi
An approximation for the unknown two-electron wavefunctions (geminals) of the interacting uniform electron gas is found, starting from the effective screened Coulomb potential prop…