254 citations · 1.8k across the 51 of their papers we have counts for
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hep-ph2011★ 2 cited
Revisiting the cosmological coherent oscillation
Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama
It is often the case that scalar fields are produced in the early Universe in the form of coherent oscillation. These scalar fields may have huge abundances and affect the evolutio…
hep-ph2011★ 39 cited
Cosmological aspects of inflation in a supersymmetric axion model
Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama
We show that the hybrid inflation is naturally realized in the framework of a supersymmetric axion model, which is consistent with the WMAP observation if the Peccei-Quinn symmetry…