Local field factors in a polarized two-dimensional electron gas

Details Local field factors in a polarized two-dimensional electron gas Local field factors in a polarized two-dimensional electron gas

2002-11-20

arxiv.org/abs/cond-mat/0211442v1

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 10 figures

Scientific paper

10.1103/PhysRevB.68.195210

We derive approximate expressions for the static local field factors of a spin polarized two-dimensional electron gas which smoothly interpolate between their small- and large-wavevector asymptotic limits. For the unpolarized electron gas, the proposed analytical expressions reproduce recent diffusion Monte Carlo data. 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.

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