242 citations · 2.3k across the 31 of their papers we have counts for
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astro-ph.CO2019★ 146 cited
Enhancement of Gravitational Waves Induced by Scalar Perturbations due to a Sudden Transition from an Early Matter Era to the Radiation Era
Keisuke Inomata, Kazunori Kohri, Tomohiro Nakama +1
We study gravitational waves induced from the primordial scalar perturbations at second order around the reheating of the Universe. We consider reheating scenarios in which a trans…
astro-ph.CO2019★ 133 cited
Gravitational Waves Induced by Scalar Perturbations during a Gradual Transition from an Early Matter Era to the Radiation Era
Keisuke Inomata, Kazunori Kohri, Tomohiro Nakama +1
We revisit the effects of an early matter-dominated era on gravitational waves induced by scalar perturbations. We carefully take into account the evolution of the gravitational po…