Indian Journal of Physics ( IF 1.6 ) Pub Date : 2021-01-04 , DOI: 10.1007/s12648-020-01975-1 H. I. Ay , O. Aydogdu , M. Salti
In this research, we study the polytropic gas cosmology in a 5-dimensional form of the flat Friedmann–Robertson–Walker framework. In this context, we focus on the evolution of corresponding energy density and use the most recent data from the Type Ia Supernova, observational data of the cosmic Hubble parameter and the updated Planck-results to place constraints on the free parameters defined in the model. Making use of the calculations, we investigate also some physical features of the model in order to obtain some constraints on the auxiliary parameters given in the proposal.
中文翻译:
5维框架中的多变气体宇宙学
在这项研究中,我们以平面Friedmann-Robertson-Walker框架的5维形式研究了多变气体宇宙学。在这种情况下,我们专注于相应能量密度的演变,并使用来自Ia型超新星的最新数据,宇宙哈勃参数的观测数据和更新的普朗克结果将约束条件放到模型中定义的自由参数上。利用这些计算,我们还研究了模型的一些物理特征,以便对建议中给出的辅助参数获得一些约束。