FERMION MASS AND YUKAWA COUPLING IN LATTICE CHIRAL YUKAWA THEORY

被引：0
|
作者：
AOKI, S [1 ]
KIKUKAWA, Y [1 ]
机构：
[1] UNIV TSUKUBA,INST PHYS,TSUKUBA,IBARAKI 305,JAPAN
来源：
NUCLEAR PHYSICS B | 1993年
基金：
日本学术振兴会;
关键词：
D O I：
10.1016/0920-5632(93)90295-H
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We consider a chiral Yukawa model in which scalar and fermionic regulator fields appear in the Wilson-Yukawa coupling and all the physical fermion fields possess shift symmetry when the Yukawa coupling vanishes. With the fermionic hopping parameter expansion, it is shown that the fermion mass is proportional to the Higgs vacuum expectation value. It is also argued that the coupling of fermion to the external gauge field can be chiral if the hopping parameter of the scalar regulator field is taken to the critical value.
引用
收藏
页码：654 / 657
页数：4
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