Horsley, R. and Perlt, Holger and Rakow, P. E. L. and Schierholz, G. and Schiller, Arwed (2004) One-loop renormalisation of quark bilinears for overlap fermions with improved gauge actions. NUCLEAR PHYSICS B, 693 (1-3). pp. 3-35. ISSN 0550-3213, 1873-1562
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We compute lattice renormalisation constants of local bilinear quark operators for overlap fermions and improved gauge actions. Among the actions we consider are the Symanzik, Luscher-Weisz, Iwasaki and DBW2 gauge actions. The results are given for a variety of rho parameters. We show how to apply mean field (tadpole) improvement to overlap fermions. The question, what is a good gauge action, is discussed from the perturbative point of view. Finally, we show analytically that the gauge dependent part of the self-energy and the amputated Green functions are independent of the lattice fermion representation, using either Wilson or overlap fermions. (C) 2004 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | LATTICE PERTURBATION-THEORY; EXACTLY MASSLESS QUARKS; EXACT CHIRAL-SYMMETRY; YANG-MILLS THEORY; CONTINUUM-LIMIT; LAMBDA-PARAMETER; DIRAC OPERATOR; WILSON FERMIONS; QCD; DISTRIBUTIONS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 02 Jul 2021 08:55 |
| Last Modified: | 02 Jul 2021 08:55 |
| URI: | https://pred.uni-regensburg.de/id/eprint/37330 |
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