75 citations · 413 across the 21 of their papers we have counts for
11 papers · 1 filter
Conjugate Boundary Conditions, Kaluza-Klein Fermions, and an Extended Seesaw Model
Yugo Abe, Yuki Adachi, Yukihiro Fujimoto
In this paper, we discuss the conjugate boundary condition (CBC), which has recently been studied as a way of realizing a Majorana fermion within a compactified five-dimensional th…
5d Dirac fermion on quantum graph
Yukihiro Fujimoto, Tomonori Inoue, Makoto Sakamoto +2
In this paper, we investigate a five-dimensional Dirac fermion on a quantum graph that consists of a single vertex and loops. We find that the model possesses a rich structure…
Extended supersymmetry with central charges in higher dimensional Dirac action
Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki +3
A new realization of extended quantum-mechanical supersymmetry (QM SUSY) with central extension is investigated. We first show that two different sets of () supercharges…
Extended supersymmetry in Dirac action with extra dimensions
Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki +3
We investigate a new realization of extended quantum-mechanical supersymmetry. We first show that an quantum-mechanical supersymmetry is hidden in the four-dimensio…
Dynamical generation of fermion mass hierarchy in an extra dimension
Yukihiro Fujimoto, Takashi Miura, Kenji Nishiwaki +1
We propose a new mechanism to produce a fermion mass hierarchy dynamically in a model with a singlet generation of fermions. A five dimensional gauge theory on an interval with poi…
Supersymmetry in 6d Dirac Action
Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki +2
We investigate a 6d Dirac fermion on a rectangle. It is found that the 4d spectrum is governed by supersymmetric quantum mechanics. Then we demonstrate that the supersymmetry…