Axial Anomaly in the $SU(N)$ Gauge Matrix Model

Nirmalendu Acharyya, Mahul Pandey, Sachindeo Vaidya

The $SU(N)$ Yang-Mills matrix model admits self-dual and anti-self-dual instantons. When coupled to $N_f$ flavors of massless quarks, the Euclidean Dirac equation in an instanton b…