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Schwarz-preconditioned HMC algorithm for two-flavour lattice QCD

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arxiv hep-lat/0409106 v1 pith:H3LCXQ3S submitted 2004-09-17 hep-lat

Martin Lüscher This is my paper · ORCID
classification hep-lat
keywords algorithmlatticetwo-flavourbarecarlocombinationcurrent-quarkefficient
verification ladder T0 review T1 audit T2 compute T3 formal
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The combination of a non-overlapping Schwarz preconditioner and the Hybrid Monte Carlo (HMC) algorithm is shown to yield an efficient simulation algorithm for two-flavour lattice QCD with Wilson quarks. Extensive tests are performed, on lattices of size up to 32x24x24x24, with lattice spacings a~0.08 fm and at bare current-quark masses as low as 21 MeV.

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Cited by 2 Pith papers

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  1. Hadronic decay of vector charmonium from the lattice

    hep-lat 2024-11 conditional novelty 6.0 of 10

    The ratio method, tuned with twisted boundary conditions, extracts a psi(3770) -> D D mixing amplitude from two N_f=2 ensembles and gives Gamma = 24.2(6.4) MeV, but with unquantified systematic errors.

  2. Bounding statistical errors in lattice field theory simulations

    hep-lat 2025-06 unverdicted novelty 5.0 of 10

    Introduces bounds-based stopping criteria and automatic windowing for autocorrelation integrals to estimate statistical errors in lattice field theory Monte Carlo simulations.

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