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Volume dependence of the valence Wilson fermion mass spectrum

✍ Scribed by Frank Butler; Hong Chen; James Sexton; Alessandro Vaccarino; Don Weingarten


Book ID
113392286
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
329 KB
Volume
26
Category
Article
ISSN
0920-5632

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Cutoff–effects in the spectrum of dynami
✍ M. Della Morte; R. Hoffmann; F. Knechtli; U. Wolff πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 128 KB

We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the SchrΓΆdinger functional with two dynamical quark flavors. At a lattice spacing of approximately 0.1 fm we find more very small eigenvalues than in the quenched case. These cause problems with HMC-type algorithms and