550 citations
- The University of TokyoJP157 papers
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Showing 2022 · hep-phShow all
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hep-ph2022★ 37 cited
Probing first-order electroweak phase transition via primordial black holes in the effective field theory
Katsuya Hashino, Shinya Kanemura, Tomo Takahashi +1
We investigate production of primordial black holes from first-order electroweak phase transition in the framework of the nearly aligned Higgs effective field theory, in which non-…
hep-ph2022★ 2 cited
Sneutrinos as two inflatons and curvaton and leptogenesis
Tomo Takahashi, Toshifumi Yamada, Shuichiro Yokoyama
We argue that sneutrinos can be embedded in a multi-field inflation framework where two inflatons and a curvaton simultaneously contribute to primordial fluctuations, which is cons…