Improving Inversions of the Overlap Operator

Details Improving Inversions of the Overlap Operator Improving Inversions of the Overlap Operator

2004-09-08

arxiv.org/abs/hep-lat/0409030v1

Physics

High Energy Physics

High Energy Physics - Lattice

lattice2004(machines)

Scientific paper

10.1016/j.nuclphysbps.2004.11.14

We present relaxation and preconditioning techniques which accelerate the
inversion of the overlap operator by a factor of four on small lattices, with
larger gains as the lattice size increases. These improvements can be used in
both propagator calculations and dynamical simulations.

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