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Effects of dynamical Wilson fermions and the phase structure of compact QED4

✍ Scribed by A. Hoferichter; V.K. Mitrjushkin; M. Müller-Preussker; H. Stüben

Book ID
114290673
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
208 KB
Volume
63
Category
Article
ISSN
0920-5632

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Cutoff–effects in the spectrum of dynami
Cutoff–effects in the spectrum of dynamical Wilson fermions
✍ M. Della Morte; R. Hoffmann; F. Knechtli; U. Wolff 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 128 KB

We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the Schrödinger 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