We test a set of lattice gauge actions for QCD that suppress small plaquette values and in this way also suppress transitions between topological sectors. This is well suited for simulations in the epsilon-regime and it is expected to help in numerical simulations with dynamical quarks.
@article{arxiv.hep-lat/0412017,
title = {Lattice Gauge Actions for Fixed Topology},
author = {XLF Collaboration and W. Bietenholz and K. Jansen and K. -I. Nagai and S. Necco and L. Scorzato and S. Shcheredin},
journal= {arXiv preprint arXiv:hep-lat/0412017},
year = {2008}
}
Comments
3 pages. Talk presented at Quark Confinement and the Hadron Spectrum VI, Villasimius, Sardinia, Italy, September 21-25, 2004. References added