Tsallis holographic dark energy with power law ansatz approach

Autor:	Trivedi, Oem, Khlopov, Maxim, Timoshkin, Alexander V.
Rok vydání:	2024
Předmět:	General Relativity and Quantum Cosmology Astrophysics - Cosmology and Nongalactic Astrophysics High Energy Physics - Theory
Druh dokumentu:	Working Paper
Popis:	Holographic principles have proven to be a very interesting approach towards dealing with the issues of the late-time acceleration of the universe, which has resulted in a great amount of work on holographic dark energy models. We consider one such very interesting holographic scenario, namely the Tsallis Holographic dark energy model and consider an ansatz based approach to such models. We consider three cosmological scenarios in such models, namely those with viscous , non-viscous and Chaplygin gas scenarios, discussing various crucial aspects related to these models. We discuss various crucial properties of the Tsallis model in such scenarios and see how the phantom divide is crossed in each case, but it's only the Chaplygin gas models which give a better view on stability issues. Comment: 20 pages with 13 figures, comments very welcome !
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2402.05784 Zobrazit plný text záznamu View this record from Arxiv