Gravitational waves induced by scalar perturbations during a gradual transition from an early matter era to the radiation era

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 potential, the source of these induced gravitational waves, during a gradual transition from an early matter-dominated era...

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Veröffentlicht in:	Journal of cosmology and astroparticle physics 2019-10, Vol.2019 (10), p.71-71
Hauptverfasser:	Inomata, Keisuke, Kohri, Kazunori, Nakama, Tomohiro, Terada, Takahiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Decay Decay rate Gravitational waves Gravity waves Heating Radiation
Online-Zugang:	Volltext
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