237 citations · 723 across the 16 of their papers we have counts for
3 papers · 1 filter
Effective field theory approach to quasi-single field inflation and effects of heavy fields
Toshifumi Noumi, Masahide Yamaguchi, Daisuke Yokoyama
We apply the effective field theory approach to quasi-single field inflation, which contains an additional scalar field with Hubble scale mass other than inflaton. Based on the tim…
S^3/Z_n partition function and dualities
Yosuke Imamura, Daisuke Yokoyama
We investigate S^3/Z_n partition function of N = 2 supersymmetric gauge theories. A gauge theory on the orbifold has degenerate vacua specified by the holonomy. The partition funct…
Supersymmetric DBI inflation
Shin Sasaki, Masahide Yamaguchi, Daisuke Yokoyama
We discuss a supersymmetric version of DBI (Dirac-Born-Infeld) inflation, which is a typical inflation model in string cosmology. The supersymmetric DBI action together with a supe…