2 papers
hep-ph2026
Dark Matter Freeze-in from a Reheaton
Avirup Ghosh, Alexei H. Sopov, Raymond R. Volkas
We consider the Standard Model (SM) extended by a secluded gauge sector encompassing a Dirac fermion () dark matter (DM), an abelian gauge boson and a SM-si…
hep-ph2025
The post-inflationary cosmology of the VISH axion-majoron model
Alexei H. Sopov, Carlos Tamarit, Raymond R. Volkas
It was previously shown how several explanatory deficiencies of the Standard Model (including the origin of dark matter, matter-antimatter asymmetry, small active neutrino mass, st…