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Parametrized blocking of left-handed fermion actions from the continuum

Presenter: Markus Pak — University of Graz

Christof Gattringer, Markus Pak

We use block-spin transformation techniques to block free fermion fields from the continuum. The main ingredients are a parametrized blocking matrix and a parametrized continuum action. The parametrization allows one to influence the symmetries of the blocked action and reduce it to left-handed fermions. We discuss and compare different options.