Chiral symmetry and lattice fermions
High Energy Physics - Lattice
2013-09-25 v1 High Energy Physics - Phenomenology
Abstract
Lattice gauge theory and chiral perturbation theory are among the primary tools for understanding non-perturbative aspects of QCD. I review several subtle and sometimes controversial issues that arise when combining these techniques. Among these are one failure of partially quenched chiral perturbation theory when the valence quarks become lighter than the average sea quark mass and a potential ambiguity in comparisons of perturbative and lattice properties of non-degenerate quarks.
Keywords
Cite
@article{arxiv.1309.6288,
title = {Chiral symmetry and lattice fermions},
author = {Michael Creutz},
journal= {arXiv preprint arXiv:1309.6288},
year = {2013}
}
Comments
11 pages, 5 figures. Contribution to the conference "From quarks and gluons to hadronic matter: A bridge too far?" 2-6 Sept. 2013. European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*), Villazzano, Trento (Italy)}