4-FERMI INTERACTION IN (2+1) DIMENSIONS BEYOND LEADING ORDER IN 1/N

被引：49
|
作者：
GAT, G [1 ]
KOVNER, A [1 ]
ROSENSTEIN, B [1 ]
WARR, BJ [1 ]
机构：
[1] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309
来源：
PHYSICS LETTERS B | 1990年 / 240卷 / 1-2期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/0370-2693(90)90425-6
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the renormalizable Gross-Neveu model in (2 + 1) dimensions at next to leading order in the 1/N expansion. The corrections to the value of the critical coupling and β-function are calculated. The nature of the finite fixed point as found in the leading order remains unchanged. We also obtain the effective potential for the scalar field interpolating the bound state meson and the high energy asymptotics of the fermionic Green's functions. © 1990.
引用
收藏
页码：158 / 162
页数：5
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