A Preconditioner for Improved Fermion Actions

Details A Preconditioner for Improved Fermion Actions A Preconditioner for Improved Fermion Actions

1998-09-08

arxiv.org/abs/hep-lat/9809038v2

Nucl.Phys.Proc.Suppl. 73 (1999) 850-852

Physics

High Energy Physics

High Energy Physics - Lattice

changed: some typos, LATTICE98(algorithms)

Scientific paper

10.1016/S0920-5632(99)85222-0

SSOR preconditioning of fermion matrix inversions which is parallelized using a locally-lexicographic lattice sub-division, has been shown to be very efficient for standard Wilson fermions. We demonstrate here the power of this method for the Sheikholeslami-Wohlert improved fermion action and for a renormalization group improved action incorporating couplings of the lattice fermion fields up to the diagonal in the unit hypercube.

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