Speeding up the Hybrid-Monte-Carlo algorithm for dynamical fermions

Details Speeding up the Hybrid-Monte-Carlo algorithm for dynamical fermions Speeding up the Hybrid-Monte-Carlo algorithm for dynamical fermions

2001-07-25

arxiv.org/abs/hep-lat/0107019v1

Phys.Lett. B519 (2001) 177-182

Physics

High Energy Physics

High Energy Physics - Lattice

8 pages

Scientific paper

10.1016/S0370-2693(01)01102-9

We propose a modification of the Hybrid-Monte-Carlo algorithm that allows for
a larger step-size of the integration scheme at constant acceptance rate. The
key ingredient is that the pseudo-fermion action is split into two parts. We
test our proposal at the example of the two-dimensional lattice Schwinger model
with two degenerate flavours of Wilson-fermions.

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