Ground-state properties of the one dimensional electron liquid

Details Ground-state properties of the one dimensional electron liquid Ground-state properties of the one dimensional electron liquid

2007-03-14

arxiv.org/abs/cond-mat/0703359v1

Solid State Communications 141, 563 (2007)

Physics

Condensed Matter

Strongly Correlated Electrons

19 Pages

Scientific paper

10.1016/j.ssc.2006.12.018

We present a theory of the pair distribution function $g(z)$ and many-body effective electron-electron interaction for one dimensional (1D) electron liquid. Our approach involves the solution of a zero-energy scattering Schr\"odinger equation for $\sqrt{g(z)}$ where we implemented the Fermi hypernetted-chain approximation including the elementary diagrams corrections. We present numerical results for $g(z)$ and the static structure factor $S(k)$ and obtain good agreement with data from diffusion Monte Carlo studies of the 1D system. We calculate the correlation energy and charge excitation spectrum over an extensive range of electron density. Furthermore, we obtain the static correlations in good qualitative agreement with those calculated for the Luttinger liquid model with long-range interactions.

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