CHIRAL-SYMMETRY ON THE LATTICE

被引:32
作者
CREUTZ, M
机构
[1] Physics Department, Brookhaven National Laboratory, Upton, NY 11973-5000
关键词
D O I
10.1016/0920-5632(95)00187-E
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
I review some of the difficulties associated with chiral symmetry in the context of a lattice regulator. I discuss the structure of Wilson Fermions when the hopping parameter is in the vicinity of its critical value. Here one flavor contrasts sharply with the case of more, where a residual chiral symmetry survives anomalies. I briefly discuss the surface mode approach, the use of mirror Fermions to cancel anomalies, and finally speculate on the problems with lattice versions of the standard model.
引用
收藏
页码:56 / 66
页数:11
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