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Numerical properties of staggered overlap fermions
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Numerical properties of staggered overlap fermions
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We report the results of a numerical study of staggered overlap fermions, following the construction of Adams which reduces the number of tastes from 4 to 2 without fine-tuning. We study the sensitivity of the operator to the topology of the gauge field, its locality and its robustness to fluctuations of the gauge field. We make a first estimate of the computing cost of a quark propagator calculation, and compare with Neuberger's overlap.
Forward citations
Cited by 2 Pith papers
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Minimal-doubling and single-Weyl Hamiltonians
Minimal-doubling lattice fermion Hamiltonians yield single-Weyl phases when supplemented by a species-splitting mass term, but one-parameter symmetry-preserving deformations introduce additional Weyl nodes above a cri...
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Staggered fermions with taste splitting mass term on dynamical configurations
Preliminary Nf=2 dynamical simulations of single-taste staggered fermions find negligible rotational-symmetry counterterms and a computable but still-too-heavy pion mass on volumes up to 16^4.
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