Thick brane structures in generalized hybrid metric-Palatini gravity
Abstract In this work, we study 5-dimensional braneworld scenarios in the scalar-tensor representation of the generalized hybrid metric-Palatini gravitational theory. We start by considering a model for a brane supported purely by the gravitational scalar fields of the theory and then consider other...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2021-01-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-021-08840-3 |
| _version_ | 1819054862864744448 |
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| author | João Luís Rosa D. A. Ferreira Dionisio Bazeia Francisco S. N. Lobo |
| author_facet | João Luís Rosa D. A. Ferreira Dionisio Bazeia Francisco S. N. Lobo |
| author_sort | João Luís Rosa |
| collection | DOAJ |
| description | Abstract In this work, we study 5-dimensional braneworld scenarios in the scalar-tensor representation of the generalized hybrid metric-Palatini gravitational theory. We start by considering a model for a brane supported purely by the gravitational scalar fields of the theory and then consider other distinct cases where the models are also supported by an additional matter scalar field. We investigate the stability of the gravity sector and show that the models are all robust against small fluctuations of the metric. In particular, in the presence of the additional scalar field, we find that the profile of the gravitational zero mode may be controlled by the parameters of the model, being also capable of developing internal structure. |
| first_indexed | 2024-12-21T12:58:22Z |
| format | Article |
| id | doaj.art-f4beda0c704943a59e9d7f2c7742f8a0 |
| institution | Directory Open Access Journal |
| issn | 1434-6044 1434-6052 |
| language | English |
| last_indexed | 2024-12-21T12:58:22Z |
| publishDate | 2021-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj.art-f4beda0c704943a59e9d7f2c7742f8a02022-12-21T19:03:17ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522021-01-0181111210.1140/epjc/s10052-021-08840-3Thick brane structures in generalized hybrid metric-Palatini gravityJoão Luís Rosa0D. A. Ferreira1Dionisio Bazeia2Francisco S. N. Lobo3Institute of Physics, University of TartuUnidade Acadêmica de Física, Universidade Federal de Campina GrandeDepartamento de Física, Universidade Federal da ParaíbaInstituto de Astrofísica e Ciências do Espaço, Faculdade de Ciências da Universidade de LisboaAbstract In this work, we study 5-dimensional braneworld scenarios in the scalar-tensor representation of the generalized hybrid metric-Palatini gravitational theory. We start by considering a model for a brane supported purely by the gravitational scalar fields of the theory and then consider other distinct cases where the models are also supported by an additional matter scalar field. We investigate the stability of the gravity sector and show that the models are all robust against small fluctuations of the metric. In particular, in the presence of the additional scalar field, we find that the profile of the gravitational zero mode may be controlled by the parameters of the model, being also capable of developing internal structure.https://doi.org/10.1140/epjc/s10052-021-08840-3 |
| spellingShingle | João Luís Rosa D. A. Ferreira Dionisio Bazeia Francisco S. N. Lobo Thick brane structures in generalized hybrid metric-Palatini gravity European Physical Journal C: Particles and Fields |
| title | Thick brane structures in generalized hybrid metric-Palatini gravity |
| title_full | Thick brane structures in generalized hybrid metric-Palatini gravity |
| title_fullStr | Thick brane structures in generalized hybrid metric-Palatini gravity |
| title_full_unstemmed | Thick brane structures in generalized hybrid metric-Palatini gravity |
| title_short | Thick brane structures in generalized hybrid metric-Palatini gravity |
| title_sort | thick brane structures in generalized hybrid metric palatini gravity |
| url | https://doi.org/10.1140/epjc/s10052-021-08840-3 |
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