DYNAMIC SYMMETRY-BREAKING IN 4-FERMION INTERACTION MODELS

被引：278

作者：

ROSENSTEIN, B

WARR, BJ

PARK, SH

机构：

[1] INT CTR THEORET PHYS, I-34100 TRIESTE, ITALY

[2] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA

来源：

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS | 1991年 / 205卷 / 02期

关键词：

D O I：

10.1016/0370-1573(91)90129-A

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Dynamical symmetry breaking in 4-fermion models in 2 + 1 dimensions is quantitatively studied. We use the 1/N expansion and show that these models are renormalizable in this framework, in spite of their non-renormalizability in weak coupling expansion. The particular topics discussed include interactions of composite Goldstone bosons with other particles and among themselves, low-energy theorems, chiral lagrangians, the effects of explicit symmetry breaking, and the thermodynamics of the dynamical symmetry restoring phase transition.

引用

页码：59 / 108

页数：50

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