Overlap-Dirac fermions preserve the parity-doubling of the spectrum in a singular monopole background, while naive and Wilson-Dirac fermions break the degeneracy of the Q lowest modes even in the continuum limit.
Comment on "'t Hooft vertices, partial quenching, and rooted staggered QCD"
1 Pith paper cite this work. Polarity classification is still indexing.
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abstract
A recent criticism of the proof of the failure of the rooting procedure with staggered fermions is shown to be incorrect.
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A curious behavior of three-dimensional lattice Dirac operators coupled to monopole background
Overlap-Dirac fermions preserve the parity-doubling of the spectrum in a singular monopole background, while naive and Wilson-Dirac fermions break the degeneracy of the Q lowest modes even in the continuum limit.