Cosmological gravitational particle production (CGPP) is the creation of particles in an
expanding universe due solely to their gravitational interaction. These particles can play an …

A bstract Hawking evaporation of primordial black holes (PBHs) can facilitate the generation
of matter-antimatter asymmetry. We focus on ultra-low mass PBHs that briefly dominate the …

We propose a new way of probing the nonthermal origin of baryon asymmetry of the
Universe (BAU) and dark matter (DM) from evaporating primordial black holes (PBHs) via …

A bstract Non-standard neutrino interactions with a massive boson can produce the bosons
in the core of core-collapse supernovae (SNe). After the emission of the bosons from the SN …

We investigate the role that the evaporation of light primordial black holes may have played
in the production of the baryon asymmetry of the Universe through high-scale leptogenesis …

We study the effect of an ultralight primordial black hole (PBH) dominated phase on the
gravitational wave (GW) spectrum generated by a cosmic string (CS) network formed as a …

We show, within the single-field inflationary paradigm, that a linear non-minimal interaction ξ
MP ϕ R between the inflaton field ϕ and the Ricci scalar R can result in successful inflation …

We study the impact of the ambient fluid on the evolution of collapsing false vacuum bubbles
by simulating the dynamics of a coupled bubble-particle system. A significant increase in the …

With entropy injection, an early matter-dominated epoch (EMD) impels the axion decay
constant fa toward larger values to produce correct axion dark matter (DM) abundance …

The evaporation of primordial black holes provides a promising dark matter production
mechanism without relying on any nongravitational interactions between the dark sector and …