Speaker
Nikolai Husung
(Deutsches Elektronen-Synchrotron DESY)
Description
We analyse the leading logarithmic corrections to the $a^2$ scaling of lattice artefacts in QCD, following the seminal work of Balog, Niedermayer and Weisz in the O(n) non-linear sigma model. Limiting to contributions from the action, the leading logarithmic corrections can be determined by the anomalous dimensions of mass-dimension 6 operators. These operators form a minimal on-shell basis of the Symanzik Effective Theory. We present results for non-perturbatively O($a$) improved Wilson and Ginsparg-Wilson quarks.
Primary author
Nikolai Husung
(Deutsches Elektronen-Synchrotron DESY)
Co-authors
Rainer Sommer
(DESY)
Peter Marquard
(DESY)
