Lattice Chern-Simons Number Without Ultraviolet Problems

Details Lattice Chern-Simons Number Without Ultraviolet Problems Lattice Chern-Simons Number Without Ultraviolet Problems

1997-03-07

arxiv.org/abs/hep-ph/9703266v3

Phys.Rev. D56 (1997) 6533-6546

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages including 6 figures, uses psfig. Corrected for an algebra error in the original draft of hep-lat/9610013; minor rewri

Scientific paper

10.1103/PhysRevD.56.6533

We develop a topological method of measuring Chern-Simons number change in the real time evolution of classical lattice SU(2) and SU(2) Higgs theory. We find that the Chern-Simons number diffusion rate per physical 4-volume is very heavily suppressed in the broken phase, and that it decreases with lattice spacing in pure Yang-Mills theory, although not as quickly as predicted by Arnold, Son, and Yaffe.

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