001     916812
005     20230123101910.0
024 7 _ |2 arXiv
|a arXiv:2108.11766
024 7 _ |2 doi
|a 10.22323/1.396.0556
024 7 _ |2 Handle
|a 2128/33394
037 _ _ |a FZJ-2023-00115
100 1 _ |0 P:(DE-Juel1)132580
|a Durr, Stephan
|b 0
|e Corresponding author
111 2 _ |a 38th International Symposium on Lattice Field Theory
|c MIT, Boston (virtual)
|d 2021-07-26 - 2021-07-30
|g LATTICE2021
|w USA
245 _ _ |a Minimally doubled fermions and topology in 2D
260 _ _ |b Sissa Medialab Trieste, Italy
|c 2022
295 1 0 |a Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021) - Sissa Medialab Trieste, Italy, 2022. - ISBN - doi:10.22323/1.396.0556
300 _ _ |a 8 pages
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500 _ _ |a 8 pages, 7 figures, talk given at the 38th International Symposium on Lattice Field Theory (LATTICE2021), 26th-30th July 2021, Zoom/Gather@Massachusetts Institute of Technology
520 _ _ |a We use the two-dimensional Schwinger model to investigate how lattice fermions perceive the global topological charge $q\in\mathbf{Z}$ of a given gauge background $U$. After a warm-up part devoted to staggered, Adams, Wilson and naive fermions, we consider Karsten-Wilczek and Borici-Creutz fermions, which are in the class of minimally doubled lattice fermion actions. We focus on the eigenvalue spectrum and the chiralities of the pertinent eigenmodes. Without modification both minimally doubled actions are found to be insensitive to topology, but in either case it is possible to define a suitable species-splitting term to make the resulting operator topology aware.
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700 1 _ |0 P:(DE-HGF)0
|a Weber, Johannes H.
|b 1
773 _ _ |a 10.22323/1.396.0556
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