Topology in lattice QCD

Details Topology in lattice QCD Topology in lattice QCD

1997-11-18

arxiv.org/abs/hep-lat/9711034v1

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, Latex source + style file included. Talk presented at the International Symposium, Arenschoop (1997)

Scientific paper

The status of topology on the lattice is reviewed. Recent results show that the topological susceptibility chi can be unambigously determined. Different methods, if properly implemented, give results consistent with each other. For SU(3) the Witten-Veneziano prediction is confirmed. Preliminary results for full QCD are presented. The problem there is that the usual hybrid montecarlo algorithm has severe difficulty to thermalize topology. Possible ways out are under study.

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