perturbative renormalization of wilson line operators
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ID: 207774
2018
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Abstract
We present results for the renormalization of gauge invariant nonlocal fermion operators which contain a Wilson line, to one loop level in lattice perturbation theory. Our calculations have been performed for Wilson/clover fermions and a wide class of Symanzik improved gluon actions. The extended nature of such ‘long-link’ operators results in a nontrivial renormalization, including contributions which diverge linearly as well as logarithmically with the lattice spacing, along with additional finite factors. We present nonperturbative prescriptions to extract the linearly divergent contributions.
| Reference Key |
martha2018epjperturbative
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|---|---|
| Authors | ;Constantinou Martha;Panagopoulos Haralambos |
| Journal | utilitas mathematica |
| Year | 2018 |
| DOI |
10.1051/epjconf/201817506025
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