CHIRAL LATTICE FERMIONS WITH CORRECT VACUUM POLARIZATION AND CHIRAL ANOMALY

被引：6
|
作者：
PRYOR, C
机构：
[1] Physics Department, University of California, Santa Barbara
来源：
PHYSICAL REVIEW D | 1991年 / 43卷 / 08期
关键词：
D O I：
10.1103/PhysRevD.43.2669
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
An action for chiral lattice fermions is proposed, which avoids the Nielsen-Ninomiya theorem by virtue of its nonlocality and nonbilinearity. The action is constructed by eliminating the extra fermion modes with a gauge-violating Majorana-type Wilson mass, which is then rendered invariant by an integration over gauge transformations. The free propagator is calculated, and the one-loop vacuum polarization is shown to be identical to that for Wilson fermions, even at nonzero lattice spacing. Also the chiral anomaly is shown to be the same as for Wilson fermions in the continuum limit.
引用
收藏
页码：2669 / 2675
页数：7
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