Density Matrix Expansion for Low-Momentum Interactions
Nuclear Theory
2009-11-13 v1 Other Condensed Matter
Abstract
A first step toward a universal nuclear energy density functional based on low-momentum interactions is taken using the density matrix expansion (DME) of Negele and Vautherin. The DME is adapted for non-local momentum-space potentials and generalized to include local three-body interactions. Different prescriptions for the three-body DME are compared. Exploratory results are given at the Hartree-Fock level, along with a roadmap for systematic improvements within an effective action framework for Kohn-Sham density functional theory.
Cite
@article{arxiv.0811.4198,
title = {Density Matrix Expansion for Low-Momentum Interactions},
author = {S. K. Bogner and R. J. Furnstahl and L. Platter},
journal= {arXiv preprint arXiv:0811.4198},
year = {2009}
}
Comments
50 pages, 10 figures