462 citations · 1.3k across the 20 of their papers we have counts for
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astro-ph2005
Implications of the Curvaton on Inflationary Cosmology
Takeo Moroi, Tomo Takahashi
We study implications of the curvaton, a late-decaying light scalar field, on inflationary cosmology, paying particular attentions to modifications of observable quantities such as…
astro-ph2004
Big-Bang Nucleosynthesis and Hadronic Decay of Long-Lived Massive Particles
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi
We study the big-bang nucleosynthesis (BBN) with the long-lived exotic particle, called X. If the lifetime of X is longer than \sim 0.1 sec, its decay may cause non-thermal nuclear…
astro-ph2003
Correlated Isocurvature Fluctuation in Quintessence and Suppressed CMB Anisotropies at Low Multipoles
Takeo Moroi, Tomo Takahashi
We consider cosmic microwave background (CMB) anisotropy in models with quintessence taking into account of isocurvature fluctuation in the quintessence. It is shown that, if the p…