Properties of hybrid protoneutron stars in an extended mean field approach

We investigate the equation of state of strangeness rich protoneutron stars formed by hadronic and quark matter in beta-equilibrium and the possible realization of metastable hybrid protoneutron stars. For hadronic phase, we study a relativistic mean-field theoretical model where baryon-baryon interaction is mediated by the exchange of scalar and vector mesons. Hyperon-hyperon interaction is also taken into account by the exchange of two strange mesons. For the quark sector, we employ an extended MIT-Bag model with the inclusion of color super-conducting quark matter phase. In this context we investigate also the possible relevance of nonextensive statistical effects on equation of state and on the structure of the protoneutron star.