Decorrelating Topology with HMC

Details Decorrelating Topology with HMC Decorrelating Topology with HMC

1998-09-07

arxiv.org/abs/hep-lat/9809034v2

Nucl.Phys.Proc.Suppl.73:521-523,1999

Physics

High Energy Physics

High Energy Physics - Lattice

change of comments: LATTICE98(confine)

Scientific paper

10.1016/S0920-5632(99)85124-X

The investigation of the decorrelation efficiency of the HMC algorithm with respect to vacuum topology is a prerequisite for trustworthy full QCD simulations, in particular for the computation of topology sensitive quantities. We demonstrate that for mpi/mrho ratios <= 0.69 sufficient tunneling between the topological sectors can be achieved, for two flavours of dynamical Wilson fermions close to the scaling region beta=5.6. Our results are based on time series of length 5000 trajectories.

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