Big Bang Nucleosynthesis constraints on f(T,T) gravity
Big Bang Nucleosynthesis provides us with an observational insight into the very early Universe. Since this mechanism of light element synthesis comes out of the standard model of particle cosmology which follows directly from General Relativity, it is expected that any modifications to GR will resu...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | Physics Letters B |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269323007244 |
| _version_ | 1797363817710092288 |
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| author | Sai Swagat Mishra Ameya Kolhatkar P.K. Sahoo |
| author_facet | Sai Swagat Mishra Ameya Kolhatkar P.K. Sahoo |
| author_sort | Sai Swagat Mishra |
| collection | DOAJ |
| description | Big Bang Nucleosynthesis provides us with an observational insight into the very early Universe. Since this mechanism of light element synthesis comes out of the standard model of particle cosmology which follows directly from General Relativity, it is expected that any modifications to GR will result in deviations in the predicted observable parameters which are mainly, the neutron-to-proton ratio and the baryon-to-photon ratio. We use the measured neutron-to-proton ratio and compare the theoretically obtained expressions to constrain two models in the framework of f(T,T) gravity. The theoretically constrained models are then tested against observational data from the Hubble dataset and the ΛCDM model to explain the accelerated expansion of the Universe. |
| first_indexed | 2024-03-08T16:26:24Z |
| format | Article |
| id | doaj.art-8e2fda35083b43d49722c8c603a1117d |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-03-08T16:26:24Z |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-8e2fda35083b43d49722c8c603a1117d2024-01-07T04:29:39ZengElsevierPhysics Letters B0370-26932024-01-01848138391Big Bang Nucleosynthesis constraints on f(T,T) gravitySai Swagat Mishra0Ameya Kolhatkar1P.K. Sahoo2Department of Mathematics, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad-500078, IndiaDepartment of Mathematics, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad-500078, IndiaCorresponding author.; Department of Mathematics, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Hyderabad-500078, IndiaBig Bang Nucleosynthesis provides us with an observational insight into the very early Universe. Since this mechanism of light element synthesis comes out of the standard model of particle cosmology which follows directly from General Relativity, it is expected that any modifications to GR will result in deviations in the predicted observable parameters which are mainly, the neutron-to-proton ratio and the baryon-to-photon ratio. We use the measured neutron-to-proton ratio and compare the theoretically obtained expressions to constrain two models in the framework of f(T,T) gravity. The theoretically constrained models are then tested against observational data from the Hubble dataset and the ΛCDM model to explain the accelerated expansion of the Universe.http://www.sciencedirect.com/science/article/pii/S0370269323007244Big Bang NucleosynthesisNeutron abundanceEarly cosmologyf(T,T) gravity |
| spellingShingle | Sai Swagat Mishra Ameya Kolhatkar P.K. Sahoo Big Bang Nucleosynthesis constraints on f(T,T) gravity Physics Letters B Big Bang Nucleosynthesis Neutron abundance Early cosmology f(T,T) gravity |
| title | Big Bang Nucleosynthesis constraints on f(T,T) gravity |
| title_full | Big Bang Nucleosynthesis constraints on f(T,T) gravity |
| title_fullStr | Big Bang Nucleosynthesis constraints on f(T,T) gravity |
| title_full_unstemmed | Big Bang Nucleosynthesis constraints on f(T,T) gravity |
| title_short | Big Bang Nucleosynthesis constraints on f(T,T) gravity |
| title_sort | big bang nucleosynthesis constraints on f t t gravity |
| topic | Big Bang Nucleosynthesis Neutron abundance Early cosmology f(T,T) gravity |
| url | http://www.sciencedirect.com/science/article/pii/S0370269323007244 |
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