The Cosmic Background (CMB) energy overdensities can be explained by a Big Bang Black Hole splitting and evaporation process, according to Quantum FFF Theory.
see also:
"Gravitational waves from oscillons after inflation" by Stefan Antusch et al.
https://arxiv.org/pdf/1607.01314.pdf
and: CP Symmetry Between Material and Anti Material Copy Universes Combined with Local- and Multi-Universal Cycle Time
http://vixra.org/pdf/1702.0109v1.pdf
