Reconstructing modified and alternative theories of gravity
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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_ | 1866929218074443776 |
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| author | Saha, Dalia Chakrabortty, Manas Sanyal, Abhik Kumar |
| author_facet | Saha, Dalia Chakrabortty, Manas Sanyal, Abhik Kumar |
| contents | A viable radiation dominated era in the early universe is best described by the standard (FLRW) model of cosmology. In this short review, we demonstrate reconstruction of the forms of F(R) in the modified theory of gravity and the metric compatible F(T) together with the symmetric F(Q) in alternative teleparallel theories of gravity, from different perspectives, primarily rendering emphasis on a viable FLRW radiation era. Inflation has also been studied for a particular choice of the scalar potential. The inflationary parameters are found to agree appreciably with the recently released observational data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_11226 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Reconstructing modified and alternative theories of gravity Saha, Dalia Chakrabortty, Manas Sanyal, Abhik Kumar General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics A viable radiation dominated era in the early universe is best described by the standard (FLRW) model of cosmology. In this short review, we demonstrate reconstruction of the forms of F(R) in the modified theory of gravity and the metric compatible F(T) together with the symmetric F(Q) in alternative teleparallel theories of gravity, from different perspectives, primarily rendering emphasis on a viable FLRW radiation era. Inflation has also been studied for a particular choice of the scalar potential. The inflationary parameters are found to agree appreciably with the recently released observational data. |
| title | Reconstructing modified and alternative theories of gravity |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2401.11226 |