Spin resolved energy parametrization of a quasi-one-dimensional electron gas

Details Spin resolved energy parametrization of a quasi-one-dimensional electron gas Spin resolved energy parametrization of a quasi-one-dimensional electron gas

2008-11-05

arxiv.org/abs/0811.0725v2

Physics

Condensed Matter

Strongly Correlated Electrons

9 pages, 3 figures, corrected Eq. 17, added new reference, submitted to J. Phys. A: Math. Theor. as proceedings of the SCCS200

Scientific paper

By carrying out extensive lattice regularized diffusion Monte Carlo calculations, we study the spin and density dependence of the ground state energy for a quasi-one-dimensional electron gas, with harmonic transverse confinement and long-range $1/r$ interactions. We present a parametrization of the exchange-correlation energy suitable for spin density functional calculations, which fulfills exact low and high density limits.

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