Chiral Lattice Gauge Theories from Warped Domain Walls and Ginsparg-Wilson Fermions
Tanmoy Bhattacharya, Matthew R. Martin (LANL), and Erich Poppitz, (University of Toronto)
TL;DR
This paper introduces a novel 2D lattice chiral gauge theory construction derived from warped domain walls and Ginsparg-Wilson fermions, aiming to overcome longstanding issues in lattice chiral gauge theories.
Contribution
It presents a new approach to lattice chiral gauge theories using warped domain walls and a single-site Ginsparg-Wilson fermion construction, potentially avoiding waveguide-Yukawa problems.
Findings
Proposes a 2D lattice chiral gauge theory from warped 3D theories
Introduces a single-site Ginsparg-Wilson fermion construction
Addresses waveguide-Yukawa model issues
Abstract
We propose a construction of a 2-dimensional lattice chiral gauge theory. The construction may be viewed as a particular limit of an infinite warped 3-dimensional theory. We also present a "single-site'' construction using Ginsparg-Wilson fermions which may avoid, in both 2 and 4 dimensions, the problems of waveguide-Yukawa models.
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