3 papers
astro-ph.CO2022
Testing time evolution of the mass distribution of the black hole mergers
So Okano, Teruaki Suyama
The detection of gravitational-wave events revealed that there are numerous populations of black hole (BH) binaries that can merge within the age of the Universe. Although several…
hep-ph2021
When does the Schwinger Preheating Occur?
So Okano, Tomohiro Fujita
When the inflaton couples to photons and amplifies electric fields, charged particles produced via the Schwinger effect can dominate the universe after inflation, which is dubbed a…
astro-ph.CO2020
Chiral Gravitational Waves Produced in a Helical Magnetogenesis Model
So Okano, Tomohiro Fujita
We investigate the gravitational wave production induced by the primordial magnetic fields in a parity-violating magnetogenesis model. It is shown that the gravitational waves dete…