In this work, we have studied various cosmological parameters in the presence of viscous new Tsallis holographic dark energies for interacting scenarios in the framework of Chern–Simons modified gravity. The bulk viscosity has been considered with the bulk viscous pressure chosen in the form Π = −3Hξ0 + ξ1H + ξ2(Ḣ + H2). Hubble parameter H has been obtained from the above choice of scale factor and in this viscous scenario, the effective pressure has been obtained in Chern–Simons framework whose field equation, cosmological consequences have been investigated. It has been observed that for the interaction scenario in the presence of bulk viscosity the EoS parameter is staying above − 1, which indicates quintessence behavior. Hence, for the universe filled with a bulk viscous fluid can have the possibility of avoidance of big-rip, although the earlier transition from quintessence to phantom is not avoidable.

中文翻译：

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Chern-Simons修正重力框架下新Tsallis全息暗能量和粘性流体不同场景的分析

在这项工作中，我们研究了存在粘性新 Tsallis 全息暗能量的各种宇宙学参数，用于在 Chern-Simons 修正重力框架中相互作用的场景。体积粘度已与表格中选择的体积粘性压力一起考虑Π = -3Hξ0 + ξ1H + ξ2(H + H2). 哈勃参数H已经从上述比例因子的选择中获得，并且在这种粘性情景中，有效压力已经在 Chern-Simons 框架中获得，其场方程，宇宙学后果已经被研究。已经观察到，对于存在体积粘度的相互作用场景，EoS 参数保持在 - 1，表示典型行为。因此，对于充满大量粘性流体的宇宙来说，可以有避免大裂口的可能，尽管早期从精粹到幻影的转变是不可避免的。