Testing a Topology Conserving Gauge Action in QCD

Details Testing a Topology Conserving Gauge Action in QCD Testing a Topology Conserving Gauge Action in QCD

2004-09-14

arxiv.org/abs/hep-lat/0409073v2

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 3 figures, poster presented by S. Shcheredin at Lattice2004(theory)

Scientific paper

10.1016/j.nuclphysbps.2004.11.12

We study lattice QCD with a gauge action, which suppresses small plaquette values. Thus the MC history is confined to a single topological sector over a significant time, while other observables are decorrelated. This enables the cumulation of statistics with a specific topological charge, which is needed for simulations of QCD in the $\epsilon$-regime. The same action may also be useful for simulations with dynamical quarks. The update is performed with a local HMC algorithm.

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