تقرير
Kinematic reconstruction of torsion as dark energy in Friedmann cosmology
| العنوان: | Kinematic reconstruction of torsion as dark energy in Friedmann cosmology |
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| المؤلفون: | Vicente, A. M., Jesus, J. F., Pereira, S. H. |
| سنة النشر: | 2024 |
| المجموعة: | Astrophysics General Relativity and Quantum Cosmology |
| مصطلحات موضوعية: | General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics |
| الوصف: | In this paper we study the effects of torsion of space-time in the expansion of the universe as a candidate to dark energy. The analysis is done by reconstructing the torsion function along cosmic evolution by using observational data of Supernovae type Ia and Hubble parameter measurements. We have used a kinematic model for the parameterization of the comoving distance and the Hubble parameter, then the free parameters of the models are constrained by observational data. The reconstruction of the torsion function is obtained directly from the data, using the kinematic parameterizations, and the values for the Hubble parameter and the deceleration parameter are in good agreement to the standard model estimates. Comment: 19 pages, 6 figures |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2402.00844 |
| رقم الأكسشن: | edsarx.2402.00844 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |