A Wilson-Yukawa model with undoubled chiral fermions in 2D

被引：7

作者：

Hernandez, P ^{[1
]}

Boucaud, P

机构：

[1] CERN, Div Theory, CH-1211 Geneva 23, Switzerland

[2] Univ Paris 11, Phys Theor & Hautes Energies Lab, F-91405 Orsay, France

来源：

NUCLEAR PHYSICS B | 1998年 / 513卷 / 03期

关键词：

D O I：

10.1016/S0550-3213(97)00691-3

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 the fermion mass spectrum in the strong coupling vortex phase (VXS) of a lattice fermion-scalar model with a global U(1)(L) x U(1)(R), in two dimensions, in the context of a recently proposed two-cutoff lattice formulation. The fermion doublers are made massive by a strong Wilson-Yukawa coupling, but in contrast with the standard formulation of these type of models, in which the light fermion spectrum was found to be vector-like, we find massless fermions with chiral quantum numbers at finite lattice spacing. When the global symmetry is gauged, this model is expected to give rise to a lattice chiral gauge theory. (C) 1998 Elsevier Science B.V.

引用

页码：593 / 626

页数：34

共 26 条

[1] PROPERTIES OF THE HYPERCHARGE SECTOR OF THE STANDARD MODEL ON THE LATTICE [J].