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cond-mat2003★ 28 cited
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-mat2002★ 84 cited
Pair distribution function of the spin-polarized electron gas: A first-principles analytic model for all uniform densities
Paola Gori-Giorgi, John P. Perdew
We construct analytic formulas that represent the coupling-constant-averaged pair distribution function $\gxcav(r_s,ζ, k_Fu)$ of a uniform electron gas with density parameter $r_s…
cond-mat2001★ 81 cited
Short-range correlation in the uniform electron gas: Extended Overhauser model
Paola Gori-Giorgi, John P. Perdew
We use the two-electron wavefunctions (geminals) and the simple screened Coulomb potential proposed by Overhauser [Can. J. Phys. 73, 683 (1995)] to compute the pair-distribution fu…