2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40772After recalling the general virtues of leptogenesis we compare two realizations, Affleck-Dine leptogenesis and thermal leptogenesis, which generically lead to different predictions for neutrino masses. Finally, we describe the progress towards a full quantum mechanical description of the basic non-equilibrium process of leptogenesis beyond the approximations involved in Boltzmann's equations.Talk at PASCOS 2001, Chapel Hill, 15 pages, 6 figuresHigh Energy Physics - Phenomenologytext