On Lattice QCD with Many Flavors
High Energy Physics - Lattice
2009-10-30 v1 High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
We discuss the confining and chiral-symmetry breaking properties of QCD with a large number of flavors . In a Monte Carlo simulation of QCD with staggered fermions, we find clear evidence of a first order bulk phase transition which separates phases with broken and unbroken chiral symmetry. This is consistent with extrapolations of earlier studies with smaller , and is also as expected from general arguments. Thus, even when the perturbative renormalization group flow has a new infrared stable fixed point near the origin, lattice artifacts induce chiral symmetry breaking, and presumably confinement, at sufficiently strong coupling.
Keywords
Cite
@article{arxiv.hep-lat/9701008,
title = {On Lattice QCD with Many Flavors},
author = {P. H. Damgaard and U. M. Heller and A. Krasnitz and P. Olesen},
journal= {arXiv preprint arXiv:hep-lat/9701008},
year = {2009}
}
Comments
10 pages, LaTeX, figures part of the LaTeX file