2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14256Generation of adiabatic density perturbations from fluctuations caused by the birth of baryons is considered. This is based on the scenario of baryogenesis in which the birth of protons takes place at the temperature equal to the mass of electron.3 pages, LaTeXAstrophysicstext