1999/12/07 by Herbert Neuberger, H. Neuberger, Neuberger, H.
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-lat #hep-ph #hep-th
paper · pdf · doi:10.48550/arxiv.hep-lat/9912013
12 pages, Latex, sty file included, contribution to the workshop ``Lattice fermions and the structure of the vacuum'', 5-9 October, 1999, Dubna, Russia, v2: some typos corrected
arxiv created 1999/12/16 · arxiv updated 2009/11/30
Within the overlap framework, I derive the main formulae one finds today in papers touting a ``new approach'' to the regularization of chiral gauge theories. My main objective is to clear up an unhealthy confusion about how many successful approaches to regulate chiral fermions on the lattice there really are: At the moment, there is only one, the overlap, and finding a genuinely different approach is an important and completely open problem.