A streamlined method for chiral fermions on the lattice
Geoffrey T. Bodwin, Eve V. Kovacs
TL;DR
This paper presents a simplified approach to restoring chiral gauge symmetry in lattice Wilson fermions using renormalization counterterms, which can be implemented efficiently through a modification of the fermion determinant.
Contribution
It introduces a novel, streamlined method for implementing counterterms to restore chiral symmetry in lattice fermion theories, simplifying previous procedures.
Findings
Counterterms can be automatically implemented via a fermion determinant modification
The method effectively restores chiral gauge symmetry in lattice Wilson fermions
Simplifies the process of symmetry restoration in lattice gauge theories
Abstract
We discuss the use of renormalization counterterms to restore the chiral gauge symmetry in a lattice theory of Wilson fermions. We show that a large class of counterterms can be implemented automatically by making a simple modification to the fermion determinant.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Quantum, superfluid, helium dynamics · Particle physics theoretical and experimental studies