论文标题
Tsallis全息暗能模型的稳定性分析
Stability analysis of the Tsallis holographic dark energy model
论文作者
论文摘要
使用广义的Tsallis熵，最近提出了Tsallis全息暗能量（THDE）。在本文中，我们分析了THDE模型的宇宙学后果，黑物和暗物质$ q = h（αρ_{m}+βρ_{d}）$之间的相互作用。我们发现THDE模型可以解释当前的加速宇宙扩展，并且在某些条件下它是稳定的。此外，通过研究动力学分析，我们发现存在一个吸引子，它代表了宇宙的加速膨胀阶段。当$β= 0 $时，该吸引子对应于以暗能量为主的de de溶液，并且宇宙可以演变成一个由$λ$ CDM模型描绘的时代。还探索了该模型中的宇宙时代。
Using the generalized Tsallis entropy, the Tsallis holographic dark energy(THDE) was proposed recently. In this paper we analyze the cosmological consequences of the THDE model with an interaction between dark energy and dark matter $Q=H(αρ_{m}+βρ_{D})$. We find that the THDE model can explain the current accelerated cosmic expansion, and it is stable under certain conditions. Furthermore, through investigating the dynamical analysis, we find that there exists an attractor which represents an accelerated expansion phase of the universe. When $β=0$, this attractor corresponds to a dark energy dominated de Sitter solution and the universe can evolve into an era which is depicted by the $Λ$CDM model. The age of universe in this model is also explored.
