Moduli inflation from modular flavor symmetries
Abstract We study slow-roll inflation model controlled by the modular flavor symmetry. In the model, the modulus field plays a role of inflaton and the introduction of the stabilizer field coupled to a modular form in the superpotential produces the inflaton potential. In order to generate the flat...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-06-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP06(2023)187 |
| _version_ | 1797675895232659456 |
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| author | Yoshihiko Abe Tetsutaro Higaki Fumiya Kaneko Tatsuo Kobayashi Hajime Otsuka |
| author_facet | Yoshihiko Abe Tetsutaro Higaki Fumiya Kaneko Tatsuo Kobayashi Hajime Otsuka |
| author_sort | Yoshihiko Abe |
| collection | DOAJ |
| description | Abstract We study slow-roll inflation model controlled by the modular flavor symmetry. In the model, the modulus field plays a role of inflaton and the introduction of the stabilizer field coupled to a modular form in the superpotential produces the inflaton potential. In order to generate the flat direction for the slow-roll inflation, we consider the Kähler potential corrected by the modular form. It is noted that the modulus field perpendicular to the inflaton direction is stabilized during the inflation. The model turns out to be consistent with the current observations and behaves similarly to the α-attractor models in some parameter spaces. The inflaton rolls down to the CP-symmetric vacuum at the end of inflation. |
| first_indexed | 2024-03-11T22:21:16Z |
| format | Article |
| id | doaj.art-bf4adcc896d94a798becd4a9461d8ba2 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-03-11T22:21:16Z |
| publishDate | 2023-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-bf4adcc896d94a798becd4a9461d8ba22023-09-24T11:05:53ZengSpringerOpenJournal of High Energy Physics1029-84792023-06-012023614010.1007/JHEP06(2023)187Moduli inflation from modular flavor symmetriesYoshihiko Abe0Tetsutaro Higaki1Fumiya Kaneko2Tatsuo Kobayashi3Hajime Otsuka4Department of Physics, University of Wisconsin-MadisonDepartment of Physics, Keio UniversityDepartment of Physics, Keio UniversityDepartment of Physics, Hokkaido UniversityDepartment of Physics, Kyushu UniversityAbstract We study slow-roll inflation model controlled by the modular flavor symmetry. In the model, the modulus field plays a role of inflaton and the introduction of the stabilizer field coupled to a modular form in the superpotential produces the inflaton potential. In order to generate the flat direction for the slow-roll inflation, we consider the Kähler potential corrected by the modular form. It is noted that the modulus field perpendicular to the inflaton direction is stabilized during the inflation. The model turns out to be consistent with the current observations and behaves similarly to the α-attractor models in some parameter spaces. The inflaton rolls down to the CP-symmetric vacuum at the end of inflation.https://doi.org/10.1007/JHEP06(2023)187Cosmology of Theories BSMEarly Universe Particle PhysicsTheories of Flavour |
| spellingShingle | Yoshihiko Abe Tetsutaro Higaki Fumiya Kaneko Tatsuo Kobayashi Hajime Otsuka Moduli inflation from modular flavor symmetries Journal of High Energy Physics Cosmology of Theories BSM Early Universe Particle Physics Theories of Flavour |
| title | Moduli inflation from modular flavor symmetries |
| title_full | Moduli inflation from modular flavor symmetries |
| title_fullStr | Moduli inflation from modular flavor symmetries |
| title_full_unstemmed | Moduli inflation from modular flavor symmetries |
| title_short | Moduli inflation from modular flavor symmetries |
| title_sort | moduli inflation from modular flavor symmetries |
| topic | Cosmology of Theories BSM Early Universe Particle Physics Theories of Flavour |
| url | https://doi.org/10.1007/JHEP06(2023)187 |
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