Search Results - "Takuya, H."

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  1. 1

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

    Published in The journal of high energy physics (01-11-2018)
    “…A bstract We study the phenomenological implications of the modular symmetry Γ(3) ≃ A 4 of lepton flavors facing recent experimental data of neutrino…”
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  2. 2

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

    Published in The journal of high energy physics (01-01-2020)
    “…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…”
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  3. 3

    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

    Published in Physics letters. B (10-07-2019)
    “…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…”
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  4. 4

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

    Published in The journal of high energy physics (01-02-2020)
    “…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…”
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  5. 5

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

    Published in The journal of high energy physics (01-02-2020)
    “…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…”
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    Journal Article
  6. 6

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

    Published in The journal of high energy physics (01-01-2020)
    “…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…”
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    Journal Article
  7. 7

    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…”
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  8. 8

    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 $2$…”
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  11. 11

    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)…”
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  12. 12

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

    Published 10-07-2018
    “…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…”
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  13. 13

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

    Published 13-09-2019
    “…We consider a model with three right-handed neutrinos in which Yukawa coupling constants and Majorana masses are obtained by requiring the modular $A_4$…”
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  14. 14

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

    Published 01-11-2017
    “…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…”
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  15. 15

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

    Published 07-11-2020
    “…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 $T^2$…”
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  16. 16

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

    Published 25-10-2019
    “…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…”
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  17. 17

    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

    Published 09-09-2019
    “…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…”
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  18. 18

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

    Published 28-11-2017
    “…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…”
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  19. 19

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

    Published 26-07-2019
    “…Prog Theor Exp Phys (2019) We study K\"ahler moduli stabilization in IIB superstring theory. We propose a new moduli stabilization mechanism by the…”
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  20. 20

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

    Published 22-07-2019
    “…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…”
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    Journal Article