NMC and the Fine-Tuning Problem on the Brane
We propose a new solution to the fine-tuning problem related to coupling constant λ of the potential. We study a quartic potential of the form λϕ4 in the framework of the Randall-Sundrum type II braneworld model in the presence of a Higgs field which interacts nonminimally with gravity via a possibl...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2014/508753 |
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| _version_ | 1832566585560137728 |
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| author | A. Safsafi M. Bennai |
| author_facet | A. Safsafi M. Bennai |
| author_sort | A. Safsafi |
| collection | DOAJ |
| description | We propose a new solution to the fine-tuning problem related to coupling constant λ of the potential. We study a quartic potential of the form λϕ4 in the framework of the Randall-Sundrum type II braneworld model in the presence of a Higgs field which interacts nonminimally with gravity via a possible interaction term of the form -(ξ/2)ϕ2R. Using the conformal transformation techniques, the slow-roll parameters in high energy limit are reformulated in the case of a nonminimally coupled scalar field. We show that, for some value of a coupling parameter ξ and brane tension T, we can eliminate the fine-tuning problem. Finally, we present graphically the solutions of several values of the free parameters of the model. |
| format | Article |
| id | doaj-art-f62b5820613a4610b00a6908ca9cb2ff |
| institution | Kabale University |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-f62b5820613a4610b00a6908ca9cb2ff2025-02-03T01:03:46ZengWileyAdvances in High Energy Physics1687-73571687-73652014-01-01201410.1155/2014/508753508753NMC and the Fine-Tuning Problem on the BraneA. Safsafi0M. Bennai1Laboratoire de Physique de la Matière Condensée (URAC10), Equipe Physique Quantique et Applications, Faculté des Sciences Ben M'sik, BP 7955, Université Hassan II-Mohammedia, 20670 Casablanca, MoroccoLaboratoire de Physique de la Matière Condensée (URAC10), Equipe Physique Quantique et Applications, Faculté des Sciences Ben M'sik, BP 7955, Université Hassan II-Mohammedia, 20670 Casablanca, MoroccoWe propose a new solution to the fine-tuning problem related to coupling constant λ of the potential. We study a quartic potential of the form λϕ4 in the framework of the Randall-Sundrum type II braneworld model in the presence of a Higgs field which interacts nonminimally with gravity via a possible interaction term of the form -(ξ/2)ϕ2R. Using the conformal transformation techniques, the slow-roll parameters in high energy limit are reformulated in the case of a nonminimally coupled scalar field. We show that, for some value of a coupling parameter ξ and brane tension T, we can eliminate the fine-tuning problem. Finally, we present graphically the solutions of several values of the free parameters of the model.http://dx.doi.org/10.1155/2014/508753 |
| spellingShingle | A. Safsafi M. Bennai NMC and the Fine-Tuning Problem on the Brane Advances in High Energy Physics |
| title | NMC and the Fine-Tuning Problem on the Brane |
| title_full | NMC and the Fine-Tuning Problem on the Brane |
| title_fullStr | NMC and the Fine-Tuning Problem on the Brane |
| title_full_unstemmed | NMC and the Fine-Tuning Problem on the Brane |
| title_short | NMC and the Fine-Tuning Problem on the Brane |
| title_sort | nmc and the fine tuning problem on the brane |
| url | http://dx.doi.org/10.1155/2014/508753 |
| work_keys_str_mv | AT asafsafi nmcandthefinetuningproblemonthebrane AT mbennai nmcandthefinetuningproblemonthebrane |