Document Type

Article

Publication Date

11-26-2003

Abstract

We derive approximate expressions for the static local-field factors of a spin-polarized two-dimensional electron gas that smoothly interpolate between their small- and large-wave-vector asymptotic limits. The proposed analytical expressions reproduce recent diffusion Monte Carlo data for the unpolarized and fully polarized electron gas. We find that the degree of spin polarization produces important modifications to the local factors of the minority spins, while the local-field functions of the majority spins are less affected. © 2003 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review B - Condensed Matter and Materials Physics

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