Spontaneous CP violation and partially broken modular flavor symmetries
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916385799536640 |
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| author | Higaki, Tetsutaro Kobayashi, Tatsuo Nasu, Kaito Otsuka, Hajime |
| author_facet | Higaki, Tetsutaro Kobayashi, Tatsuo Nasu, Kaito Otsuka, Hajime |
| contents | We study the realization of spontaneous CP violation through moduli stabilization. In modular flavor models, the source of CP violation is the vacuum expectation values of the complex structure moduli of toroidal compact space. We demonstrate that the combined effects of Type IIB flux compactifications with modular invariant couplings between the moduli and matter fields can induce spontaneous CP violation without or with supersymmetry breaking. Furthermore, some general properties of CP and modular invariant scalar potentials are presented. It is found that certain modifications or partial breakings of modular symmetry are useful in generating spontaneous CP violation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_18813 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Spontaneous CP violation and partially broken modular flavor symmetries Higaki, Tetsutaro Kobayashi, Tatsuo Nasu, Kaito Otsuka, Hajime High Energy Physics - Phenomenology High Energy Physics - Theory We study the realization of spontaneous CP violation through moduli stabilization. In modular flavor models, the source of CP violation is the vacuum expectation values of the complex structure moduli of toroidal compact space. We demonstrate that the combined effects of Type IIB flux compactifications with modular invariant couplings between the moduli and matter fields can induce spontaneous CP violation without or with supersymmetry breaking. Furthermore, some general properties of CP and modular invariant scalar potentials are presented. It is found that certain modifications or partial breakings of modular symmetry are useful in generating spontaneous CP violation. |
| title | Spontaneous CP violation and partially broken modular flavor symmetries |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2405.18813 |