Phys. Rev. B 73, 035106 (2006) [8 pages]
On-top pair-correlation function in the homogeneous electron liquid
Abstract
References (42)
Citing Articles
Zhixin QianDepartment of Physics, Peking University, Beijing 100871, China
Received 26 August 2005; revised 27 October 2005; published 9 January 2006
The ladder theory, in which the Bethe-Goldstone equation for the effective potential between two scattering particles plays a central role, is well known for its satisfactory description of the short-range correlations in the homogeneous electron liquid. By solving exactly the Bethe-Goldstone equation in the limit of large transfer momentum between two scattering particles, we obtain accurate results for the on-top pair-correlation function g(0), in both three dimensions and two dimensions. Furthermore, we prove, in general, that the ladder theory satisfies the cusp condition for the pair-correlation function g(r) at zero distance r=0.
©2006 The American Physical Society
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