A quantum Monte Carlo method for nucleon systems

被引：155
|
作者：
Schmidt, KE [1 ]
Fantoni, S
机构：
[1] Arizona State Univ, Dept Phys & Astron, Tempe, AZ 85287 USA
[2] SISSA, Int Sch Adv Studies, I-34014 Trieste, Italy
[3] Int Ctr Theoret Phys, I-34014 Trieste, Italy
来源：
PHYSICS LETTERS B | 1999年 / 446卷 / 02期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/S0370-2693(98)01522-6
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We describe a quantum Monte Carlo method for Hamiltonians which include tensor and other spin interactions such as those that are commonly encountered in nuclear structure calculations. The main ingredients are a Hubbard-Stratonovich transformation to uncouple the spin degrees of freedom along with a fixed node approximation to maintain stability. We apply the method to neutron matter interacting with a central, spin-exchange, and tensor forces. The addition of isospin degrees of freedom is straightforward. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：99 / 103
页数：5
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