2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49188Using generic properties of string theories, we show how interesting non-perturbative features of QCD can be exploited in heavy ion collisions. In particular, a generalized "semi-circle" law for the phase diagram in the temperature-chemical potential plane is derived.12 pages, Latex, 2 eps-files, uses sprocl.styHigh Energy Physics - PhenomenologyHigh Energy Physics - LatticeHigh Energy Physics - Theorytext