Brans-Dicke宇宙学中幂律熵修正的HDE和NADE
Power-law entropy-corrected HDE and NADE in Brans-Dicke cosmology
摘要：
考虑到在处理视界内外量子场纠缠时出现的对黑洞熵的幂律修正，对全息能量密度进行了相应的修正。本文在Brans-Dicke理论框架下研究了幂律熵校正全息暗能量。我们详细研究了这个模型的宇宙学意义。我们还对新的年龄学暗能量模型进行了研究，计算了一些相关的宇宙学参数及其演化。{As结果发现，只要模型参数选择适当，该模型能提供当前宇宙的加速度，甚至状态方程参数能越过假想线$w_D=-1$。
英文摘要：
Considering the power-law corrections to the black hole entropy, which appear in dealing with the entanglement of quantum fields inside and outside the horizon, the holographic energy density is modified accordingly. In this paper we study the power-law entropy-corrected holographic dark energy in the framework of Brans-Dicke theory. We investigate the cosmological implications of this model in detail. We also perform the study for the new agegraphic dark energy model and calculate some relevant cosmological parameters and their evolution. {As a result we find that this model can provide the present cosmic acceleration and even the equation of state parameter of this model can cross the phantom line $w_D=-1$ provided the model parameters are chosen suitably}.
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