Gauge invariant discretization of Chern-Simons couplings

Kohta Hatakeyama, Matsuo Sato, Gota Tanaka

We discretize Chern-Simons couplings in gauge invariant way. We obtain (p+q)-forms representing Chern-Simons couplings on (p + q)-simplexes from wedge products of p- and q-forms on…