11 citations · 12 across the 2 of their papers we have counts for
2 papers
astro-ph.CO2025★ 11 cited
Primordial Black Hole Formation via Inverted Bubble Collapse
Kai Murai, Kodai Sakurai, Fuminobu Takahashi
We propose a novel mechanism of primordial black hole (PBH) formation through inverted bubble collapse. In this scenario, bubbles nucleate sparsely in an incomplete first-order pha…
hep-ph2024★ 1 cited
Thermal Production of Axions from Heavy Higgs Bosons
Kodai Sakurai, Fuminobu Takahashi
We discuss the thermal production of axions in renormalizable models involving two Higgs doublet fields and a complex singlet field with a global Peccei-Quinn symmetry, i.e.…