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One-flavor algorithm for Wilson and domain-wall fermions

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arxiv 0911.5532 v2 pith:AORPKWS7 submitted 2009-11-30 hep-lat

Kenji Ogawa , Ting-Wai Chiu , Tung-Han Hsieh (for the TWQCD collaboration) This is my paper · ORCID
classification hep-lat
keywords domain-wallflavoractionsefficiencyfermionslatticewilsonalgorithm
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We construct positive-definite pseudofermion actions for one fermion flavor in lattice field theory, for Wilson and domain-wall fermions respectively. The positive definiteness of these actions ensures that they can be simulated with the Hybrid Monte Carlo (HMC) method. For lattice QCD with optimal domain-wall quarks, we compare the efficiency of HMC simulations of 2-flavor and (1+1)-flavor, and find that the efficiency ratio is about 3:2.

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  1. Lattice simulations with G-parity Boundary Conditions

    hep-lat 2019-08 conditional novelty 4.0 of 10

    A detailed lattice QCD formalism and numerical tests show that G-parity boundary conditions yield moving pions with correct energies and preserved isospin, enabling physical-kinematics kaon decay calculations.

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