2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/215602We prove that the beta function of the Grosse-Wulkenhaar model including a magnetic field vanishes at all order of perturbations. We compute the renormalization group flow of the relevant dynamic parameters and find a non-Gaussian infrared fixed point. Some consequences of these results are discussed.14 pages, 5 figuresHigh Energy Physics - TheoryVanishing beta function for Grosse-Wulkenhaar model in a magnetic fieldtext