Distance preconditioning for lattice Dirac operators

Details Distance preconditioning for lattice Dirac operators Distance preconditioning for lattice Dirac operators

2010-06-21

arxiv.org/abs/1006.4028v1

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, 3 figures

Scientific paper

We propose a preconditioning of the Dirac operator based on the factorisation
of a predefined function related to the decay of the propagator with the
distance. We show that it can improve the accuracy of correlators involving
heavy quarks at large distances and accelerate the computation of light quark
propagators.

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