Search Results - "Tatsuishi, Takuya H."

Modular A4 invariance and neutrino mixing by Kobayashi, Tatsuo, Omoto, Naoya, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H.

“…A bstract We study the phenomenological implications of the modular symmetry Γ(3) ≃ A 4 of lepton flavors facing recent experimental data of neutrino…”
Get full text

New A4 lepton flavor model from S4 modular symmetry by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H.

“…A bstract We study a flavor model with A 4 symmetry which originates from S 4 modular group. In S 4 symmetry, Z 2 subgroup can be anomalous, and then S 4 can…”
Get full text

Modular A 4 invariance and leptogenesis by Takehiko Asaka, Yongtae Heo, Takuya H. Tatsuishi, Takahiro Yoshida

“…Abstract We consider a model with three right-handed neutrinos in which Yukawa coupling constants and Majorana masses are obtained by requiring the modular A 4…”
Get full text

Finite modular subgroups for fermion mass matrices and baryon/lepton number violation by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H., Uchida, Hikaru

“…We study a flavor model that the quark sector has the S3 modular symmetry while the lepton sector has the A4 modular symmetry. Our model leads to…”
Get full text

New A 4 lepton flavor model from S 4 modular symmetry by Tatsuo Kobayashi, Yusuke Shimizu, Kenta Takagi, Morimitsu Tanimoto, Takuya H. Tatsuishi

“…Abstract We study a flavor model with A 4 symmetry which originates from S 4 modular group. In S 4 symmetry, Z 2 subgroup can be anomalous, and then S 4 can be…”
Get full text

Modular A4 invariance and leptogenesis by Asaka, Takehiko, Heo, Yongtae, Tatsuishi, Takuya H., Yoshida, Takahiro

“…A bstract We consider a model with three right-handed neutrinos in which Yukawa coupling constants and Majorana masses are obtained by requiring the modular A…”
Get full text

F-term moduli stabilization and uplifting by Kobayashi, Tatsuo, Seto, Osamu, Takada, Shintaro, Tatsuishi, Takuya H, Uemura, Shohei, Yamamoto, Junji

“…Abstract We study Kähler moduli stabilization in type IIB superstring theory. We propose a new moduli stabilization mechanism by the supersymmetry breaking…”
Get full text

Modular $S_3$-invariant flavor model in SU(5) grand unified theory by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H.

“…Abstract We present a flavor model with $S_3$ modular invariance in the framework of SU(5) grand unified theory (GUT). The $S_3$ modular forms of weights $2$…”
Get full text

Gauge coupling unification in SO(32) heterotic string theory with magnetic fluxes by Abe, Hiroyuki, Kobayashi, Tatsuo, Otsuka, Hajime, Takano, Yasufumi, Tatsuishi, Takuya H.

“…We study $SO(32)$ heterotic string theory on a torus with magnetic fluxes. Non-vanishing fluxes can lead to non-universal gauge kinetic functions for $SU(3)…”
Get full text

Neutrino mixing from finite modular groups by Kobayashi, Tatsuo, Tanaka, Kentaro, Tatsuishi, Takuya H

“…Phys. Rev. D 98, 016004 (2018) We study the lepton flavor models, whose flavor symmetries are finite subgroups of the modular group such as $S_3$ and $A_4$. In…”
Get full text

Modular $A_4$ invariance and leptogenesis by Asaka, Takehiko, Heo, Yongtae, Tatsuishi, Takuya H, Yoshida, Takahiro

“…We consider a model with three right-handed neutrinos in which Yukawa coupling constants and Majorana masses are obtained by requiring the modular $A_4$…”
Get full text

Toward pole inflation and attractors in supergravity : Chiral matter field inflation by Kobayashi, Tatsuo, Seto, Osamu, Tatsuishi, Takuya H

“…Prog Theor Exp Phys (2017) In string-inspired supergravity theory, K\"{a}hler metric of chiral matter fields often has a pole. Such K\"{a}hler metric is…”
Get full text

Revisiting modular symmetry in magnetized torus and orbifold compactifications by Kikuchi, Shota, Kobayashi, Tatsuo, Takada, Shintaro, Tatsuishi, Takuya H, Uchida, Hikaru

“…Phys. Rev. D 102, 105010 (2020) We study the modular symmetry in $T^2$ and orbifold comfactifications with magnetic fluxes. There are $|M|$ zero-modes on $T^2$…”
Get full text

CP$ violation in modular invariant flavor models by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H, Uchida, Hikaru

“…Phys. Rev. D 101, 055046 (2020) We study the spontaneous $CP$ violation through the stabilization of the modulus $\tau$ in modular invariant flavor models. The…”
Get full text

A_4$ lepton flavor model and modulus stabilization from $S_4$ modular symmetry by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H

“…Phys. Rev. D 100, 115045 (2019) We study the modulus stabilization in an $A_4$ model whose $A_4$ flavor symmetry is originated from the $S_4$ modular symmetry…”
Get full text

Radiative K\"ahler moduli stabilization by Kobayashi, Tatsuo, Omoto, Naoya, Otsuka, Hajime, Tatsuishi, Takuya H

“…Phys. Rev. D 97, 106006 (2018) We propose a new type of K\"ahler moduli stabilization mechanisms in type IIB superstring theory on Calabi-Yau manifolds with…”
Get full text

F-term Moduli Stabilization and Uplifting by Kobayashi, Tatsuo, Seto, Osamu, Takada, Shintaro, Tatsuishi, Takuya H, Uemura, Shohei, Yamamoto, Junji

“…Prog Theor Exp Phys (2019) We study K\"ahler moduli stabilization in IIB superstring theory. We propose a new moduli stabilization mechanism by the…”
Get full text

New $A_4$ lepton flavor model from $S_4$ modular symmetry by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H

“…We study a flavor model with $A_4$ symmetry which originates from $S_4$ modular group. In $S_4$ symmetry, $Z_2$ subgroup can be anomalous, and then $S_4$ can…”
Get full text

Modular $S_3$ invariant flavor model in SU(5) GUT by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H

“…Prog Theor Exp Phys (2020) We present a flavor model with the $S_3$ modular invariance in the framework of SU(5) GUT. The $S_3$ modular forms of weights $2$…”
Get full text

Finite modular subgroups for fermion mass matrices and baryon/lepton number violation by Kobayashi, Tatsuo, Shimizu, Yusuke, Takagi, Kenta, Tanimoto, Morimitsu, Tatsuishi, Takuya H, Uchida, Hikaru

“…We study a flavor model that the quark sector has the $S_3$ modular symmetry,while the lepton sector has the $A_4$ modular symmetry. Our model leads to…”
Get full text