242 citations · 2.1k across the 39 of their papers we have counts for
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astro-ph.CO2015★ 67 cited
Can massive primordial black holes be produced in mild waterfall hybrid inflation?
Masahiro Kawasaki, Yuichiro Tada
We studied the possibility whether the massive primordial black holes (PBHs) surviving today can be produced in hybrid inflation. Though it is of great interest since such PBHs can…
astro-ph.CO2015★ 123 cited
Consistent generation of magnetic fields in axion inflation models
Tomohiro Fujita, Ryo Namba, Yuichiro Tada +2
There has been a growing evidence for the existence of magnetic fields in the extra-galactic regions, while the attempt to associate their origin with the inflationary epoch alone…
astro-ph.CO2015★ 106 cited
Primordial black holes as biased tracers
Yuichiro Tada, Shuichiro Yokoyama
Primordial black holes (PBHs) are theoretical black holes which may be formed during the radiation dominant era and, basically, caused by the gravitational collapse of radiational…