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Remarks on strange-quark simulations with Wilson fermions

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arxiv 2003.13359 v1 pith:GNCV4Z27 submitted 2020-03-30 hep-lat

Daniel Mohler , Stefan Schaefer This is my paper · ORCID
classification hep-lat
keywords fermionswilsonassumedassumptionconsequencesdeterminantdiscussevidence
verification ladder T0 review T1 audit T2 compute T3 formal
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In the simulation of QCD with 2+1 flavors of Wilson fermions, the positivity of the fermion determinant is generally assumed. We present evidence that this assumption is in general not justified and discuss the consequences of this finding.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The running of the electroweak gauge couplings from first principles

    hep-lat 2026-07 accept novelty 6.5 of 10

    Lattice QCD plus pQCD matching yields Δα_had^(5)(M_Z²)=0.027821(34)lat(35)pQCD at 0.17% precision and a up-to-7σ tension with e+e- data near 1 GeV².

  2. The hadronic contribution to the running of $\alpha$ and the electroweak mixing angle

    hep-lat 2025-02 conditional novelty 5.0 of 10

    A lattice QCD update computes the high-energy window of the hadronic vacuum polarization for the running of α and sin²θ_W with improved control of discretization errors.

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