Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2005-05-20
Comput.Phys.Commun.172:145-162,2005
Physics
High Energy Physics
High Energy Physics - Lattice
24 pages, 18 figures
Scientific paper
10.1016/j.cpc.2005.06.008
A new method for computing all elements of the lattice quark propagator is proposed. The method combines the spectral decomposition of the propagator, computing the lowest eigenmodes exactly, with noisy estimators which are 'diluted', i.e. taken to have support only on a subset of time, space, spin or colour. We find that the errors are dramatically reduced compared to traditional noisy estimator techniques.
Foley Justin
Juge Keisuke Jimmy
O'Cais Alan
Peardon Mike
Ryan Sinead M.
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