在本研究中，我们探索了由 Chamseddine 和 Mukhanov（J. High Energy Phys. 11, 135, 2013）提出的模拟物质模型，利用全息原理在非均匀状态方程中存在体黏性时，连贯地描述早期和晚期宇宙。我们对宇宙演化的考察基于 Nojiri 和 Odintsov（Eur. Phys. J. C 77, 528, 2017）在平坦 FRW 模型背景下详述的广义红外截断全息暗能量模型。从全息视角出发，我们通过黏性全息流体模型推导了包含模拟物质的能量守恒方程。此外，我们通过假设恒定的状态方程参数分析了体黏性的各种情形，并以粒子视界为变量推导了红外截断表达式。我们证明，在模拟引力框架内，存在一类可与广义相对论中解相媲美的解，并具有来自非相对论性模拟物质组分的额外贡献。这些解能够有效地描述暗物质。
英文摘要：
In this study, we explore the mimetic matter model proposed by Chamseddine and Mukhanov (J. High Energy Phys. 11, 135, 2013), utilizing the holographic principle to coherently describe both the early and late universe when bulk viscosity is present in the inhomogeneous equation of state. Our examination of the universe's evolution is based on the generalized infrared-cutoff holographic dark energy model detailed by Nojiri and Odintsov (Eur. Phys. J. C 77, 528, 2017) within the context of the flat FRW model. From a holographic perspective, we derive the energy conservation equation incorporating mimetic matter through a viscous holographic fluid model. Furthermore, we analyze various scenarios of bulk viscosity by assuming a constant equation of state parameter and derive the infrared cut-off expression in terms of the particle horizon. We demonstrate that within the framework of mimetic gravity, there is a class of solutions comparable to those in General Relativity, with an additional contribution from a non-relativistic mimetic matter component. These solutions can effectively describe dark matte
Holographic cosmology with logarithmic equation of state based on a new generalized entropy
Norwegian University of Science and Technology（挪威科技大学）；Tomsk State Pedagogical University (TSPU)（托木斯克国立师范大学）；International Centre of Gravity and Cosmos, Tomsk State University of Control Systems and Radio electronics (TUSUR)（托木斯克州立控制系统与电子大学国际引力与宇宙学中心）
Tsallis holographic dark energy with power law ansatz approach
International Centre for Space and Cosmology, School of Arts and Sciences, Ahmedabad University（艾哈迈达巴德大学艺术与科学学院太空与宇宙学国际中心）；Research Institute of Physics, Southern Federal University（南联邦大学物理研究所）；Virtual Institute of Astroparticle Physics（高能粒子物理学虚拟研究所）；Center for Cosmoparticle Physics Cosmion, National Research Nuclear University “MEPHI”（国立研究核子大学“MEPHI”宇宙粒子物理中心Cosmion）；Lab. for Theor. Cosmology, International Centre of Gravity and Cosmos, Tomsk State University of Control Systems and Radio Electronics (TUSUR)（托木斯克国立控制系统与无线电电子大学国际重力与宇宙中心理论宇宙学实验室）
本文研究了Tsallis holographic dark energy模型，通过幂律假设方法探讨了粘性、非粘性及Chaplygin气体三种宇宙学场景，分析了模型的稳定性及 phantom divide 交叉特性。
