Constraining early dark energy with gravitational waves before recombination

We show that the nonperturbative decay of ultralight scalars into Abelian gauge bosons, recently proposed as a possible solution to the Hubble tension, produces a stochastic background of gravitational waves which is constrained by the cosmic microwave background. We simulate the full nonlinear dyna...

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Veröffentlicht in:	Physical review. D 2021-01, Vol.103 (2), p.1, Article L021301
Hauptverfasser:	Weiner, Zachary J., Adshead, Peter, Giblin, John T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy & Astrophysics ASTRONOMY AND ASTROPHYSICS Big Bang theory Bosons Constraints Cosmic microwave background cosmology Dark energy Decay evolution of the universe Gravitation Gravitational waves Nonlinear dynamics physics Scalars
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