Density matrix expansion for low-momentum interactions

被引：39
作者：
Bogner, S. K. [1 ,2 ]
Furnstahl, R. J. [3 ]
Platter, L. [3 ,4 ]
机构：
[1] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA
[2] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[3] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[4] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA
来源：
EUROPEAN PHYSICAL JOURNAL A | 2009年 / 39卷 / 02期
基金：
美国国家科学基金会;
关键词：
HARTREE-FOCK CALCULATIONS; EFFECTIVE-FIELD THEORY; MANY-FERMION SYSTEM; GROUND-STATE ENERGY; FUNCTIONAL THEORY; NUCLEAR-MATTER; LEGENDRE TRANSFORMATION; FINITE NUCLEI; MEAN-FIELD; MODEL;
D O I：
10.1140/epja/i2008-10695-1
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
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 the Kohn-Sham density functional theory.
引用
收藏
页码：219 / 241
页数：23
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