Hauptseite > Publikationsdatenbank > Intra-taste eigenvalue splittings of staggered, Karsten-Wilczek and Borici-Creutz fermions in 2D > print

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024 7 _ |a 10.22323/1.430.0291
|2 doi
024 7 _ |a 10.34734/FZJ-2023-05492
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037 _ _ |a FZJ-2023-05492
100 1 _ |a Durr, Stephan
|0 P:(DE-Juel1)132580
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111 2 _ |a The 39th International Symposium on Lattice Field Theory
|g Lattice 2021
|c Bonn
|d 2022-08-08 - 2022-08-13
|w Germany
245 _ _ |a Intra-taste eigenvalue splittings of staggered, Karsten-Wilczek and Borici-Creutz fermions in 2D
260 _ _ |c 2022
|b Sissa Medialab Trieste, Italy
295 1 0 |a Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022) - Sissa Medialab Trieste, Italy, 2022. - ISBN - doi:10.22323/1.430.0291
300 _ _ |a 291
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336 7 _ |a Contribution to a book
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520 _ _ |a Staggered, 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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700 1 _ |a Ammer, Maximilian
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773 _ _ |a 10.22323/1.430.0291
856 4 _ |u https://pos.sissa.it/430/291/pdf
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