暗能量不同红移参数化下标度因子-宇宙时间关系和未来宇宙奇点的出现率EoS-s
Scale Factor - Cosmic Time Relation and Occurrences of Future Cosmic Singularities with Different Redshift Parametrizations of Dark Energy EoS-s
摘要：
在模拟我们的晚期宇宙加速宇宙时，普遍涉及不同的暗能量模型，其状态方程可以被视为红移和一些未知参数的函数。Barboza和Alcaniz提出了这样一种暗能量的EoS模型。我们使用一些新的参数化，如冯，沈，李，李I和II和多项式参数化，以获得更准确的概念，我们的膨胀宇宙的命运。我们试图找到我们的宇宙的命运的假设如何表现在上述背景下的暗能量模型。研究了未来宇宙奇点出现的可能性。
英文摘要：
While modelling our late time cosmically accelerated universe, it is popular to involve different dark energy models, the equation of state of which can be taken as a function of the redshift and some unknown parameters. Barboza and Alcaniz have proposed one of a such kind of dark energy's EoS model. We use some new parametrizations like Feng, Shen, Li, Li I and II and Polynomial parametrizations to get more accurate concepts about the fate of our expanding universe. We try to find how the hypothesis of the fate of our universe behaves in the above background of dark energy models. Possibilities of occurrences of future cosmic singularities are studied.
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