Cosmological speculations : particle creation from energy conservation in the Universe evolution

by Paolo Christillin

Thursday 7 May 2015, 15:00 → 16:00 Europe/Rome

248 (Building C, first floor)

Hubble’s law proves that the Universe is undergoing free expansion i.e. without external work. Thus the post big bang temperature decrease must be due to particle creation, if energy conservation applies at every scale. This scenario is further backed up by the consideration of the black body self energy of the early dominated radiation era. That seems to provide an alternative consistent scheme for our picture of the Universe evolution. No inflation needed.