359 citations · 2.7k across the 60 of their papers we have counts for
4 papers · 1 filter
Violent Preheating in Inflation with Nonminimal Coupling
Yohei Ema, Ryusuke Jinno, Kyohei Mukaida +1
We study particle production at the preheating era in inflation models with nonminimal coupling and quartic potential for several cases: real scalar inflaton, comp…
Gravitational waves from bubble collisions: analytic derivation
Ryusuke Jinno, Masahiro Takimoto
We consider gravitational wave production by bubble collisions during a cosmological first-order phase transition. In the literature, such spectra have been estimated by simulating…
Gravitational Particle Production in Oscillating Background and Its Cosmological Implications
Yohei Ema, Ryusuke Jinno, Kyohei Mukaida +1
We study production of light particles due to oscillation of the Hubble parameter or the scale factor. Any coherently oscillating scalar field, irrespective of its energy fraction…
Probing classically conformal model with gravitational waves
Ryusuke Jinno, Masahiro Takimoto
We study the cosmological history of the classical conformal gauge extension of the standard model, in which the physical scales are generated via the Coleman-Weinberg-type s…