no code implementations • 3 Feb 2021 • Aritra Banerjee, Eoin Ó Colgáin, Misao Sasaki, M. M. Sheikh-Jabbari
In [1] we highlighted the fact that the log polynomial expansion employed in Nature Astron.
Cosmology and Nongalactic Astrophysics High Energy Physics - Theory
no code implementations • 5 Oct 2020 • Sunao Sugiyama, Volodymyr Takhistov, Edoardo Vitagliano, Alexander Kusenko, Misao Sasaki, Masahiro Takada
Primordial black holes (PBHs) can constitute the predominant fraction of dark matter (DM) if PBHs reside in the currently unconstrained "sublunar" mass range.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies High Energy Physics - Phenomenology
1 code implementation • 31 Aug 2020 • Yashar Akrami, Misao Sasaki, Adam R. Solomon, Valeri Vardanyan
We argue that dark energy with multiple fields is theoretically well-motivated and predicts distinct observational signatures, in particular when cosmic acceleration takes place along a trajectory that is highly non-geodesic in field space.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology High Energy Physics - Theory
