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A comparative study of overlap and staggered fermions in QCD | | S. Dürr
; Ch. Hoelbling
; U. Wenger
; | | Date: |
17 Sep 2004 | | Subject: | hep-lat | | Abstract: | 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 operator. The near-degeneracy allows us to identify the zero modes of the staggered operator and we find that the number of zero modes is in line with the topological index of the overlap operator. | | Source: | arXiv, hep-lat/0409108 | | Services: | Forum | Review | PDF | Favorites | |
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