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A lattice determination of gA and from overlap fermions

✍ Scribed by M. Gürtler; R. Horsley; V. Linke; H. Perlt; P.E.L. Rakow; G. Schierholz; A. Schiller; T. Streuer


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
123 KB
Volume
140
Category
Article
ISSN
0920-5632

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A comparative study of overlap and stagg
✍ S. Dürr; Ch. Hoelbling; U. Wenger 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 119 KB

We perform a comparative study of the infrared properties of overlap and staggered fermions in QCD. We observe that the infrared spectrum of the APE/HYP improved staggered Dirac operator develops a four-fold near-degeneracy and is in quantitative agreement with the infrared spectrum of the overlap o