2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/193401Recent advances in Random Matrix Theory enable one to determine the pseudoscalar decay constant from the response of eigenmodes of quenched fermions to an imaginary isospin chemical potential. We perform a pilot test of this idea, from simulations with two flavors of dynamical overlap fermions.11 pages, 7 figures, RevtexHigh Energy Physics - Latticetext