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001019545 0247_ $$2doi$$a10.22323/1.430.0291
001019545 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-05492
001019545 037__ $$aFZJ-2023-05492
001019545 1001_ $$0P:(DE-Juel1)132580$$aDurr, Stephan$$b0$$eCorresponding author$$ufzj
001019545 1112_ $$aThe 39th International Symposium on Lattice Field Theory$$cBonn$$d2022-08-08 - 2022-08-13$$gLattice 2021$$wGermany
001019545 245__ $$aIntra-taste eigenvalue splittings of staggered, Karsten-Wilczek and Borici-Creutz fermions in 2D
001019545 260__ $$bSissa Medialab Trieste, Italy$$c2022
001019545 29510 $$aProceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022) - Sissa Medialab Trieste, Italy, 2022. - ISBN - doi:10.22323/1.430.0291
001019545 300__ $$a291
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001019545 520__ $$aStaggered, Karsten-Wilczek (KW) and Borici-Creutz (BC) fermions all retain a remnant chiral symmetry. The price to be payed is that they are doubled, and the resulting taste symmetry is broken by cut-off effects. We measure the size of the taste symmetry violation by determining the low-lying eigenvalues of these fermion operators in the two-dimensional Schwinger model which admits, like QCD, a global topological charge q∈ℤ of a given gauge configuration. We find that it matters whether the pertinent eigenmode is a would-be zero mode or a non-topological mode. The intra-taste splittings of these fermion formulations are all found to diminish with increasing β. Our goal is to verify standard Symanzik scaling for these taste-breaking effects.
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001019545 7001_ $$0P:(DE-HGF)0$$aAmmer, Maximilian$$b1$$eCorresponding author
001019545 773__ $$a10.22323/1.430.0291
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