论文标题
跑步真空与全息暗能量：杂志比较
Running vacuum versus Holographic dark energy: a cosmographic comparison
论文作者
论文摘要
我们使用cosmographic方法对不同类型的动态暗能量模型（DDE）进行了比较研究。在本文中检查的模型中，我们有运行的真空型号（RVM），这些模型表现出了相当大的能力，可以与标准宇宙学模型，$λ$ CDM相当，并且能够减轻$σ_8$和$ H_0 $ $ tensions的能力。同时，我们讨论了各种全息暗能模型（HDES），该模型（HDES）具有不同的选项（RedShift） - 变化模型参数$ C = C（Z）$。我们在固定和不断发展的全息长度尺度的双重假设下处理HDE，并评估哪个更好。两种类型的DDE（RVM和HDE）均面临可用的最健壮的合并数据，即超新星的万神殿样本（SNIA），从测量功率光谱和Biseptrum的Boss Data Releast和COSMIC CORMIC CORMICT ARNOMERTER（COSMIC CORMICTERTER（COSMIC）级别的重建（COSMICTER）的重建（COSMICTER）的重建（COSMICT）的重建（COSMICT）的重建（COSMIC）的修复（COSMIC CORMICTER（COSMIC CORMIC）的RECTHERTBLE RECTHERMOTER（COSMIC CORMICT）的重建（baos））从被动发展的星系的光谱观测中获得。使用这些数据样本，我们评估了提到的DDE的生存能力，并将其与Coostance $λ$ CDM模型进行比较。从cosmography分析中，我们得出的结论是，RVMS与$λ$ CDM相当的票价相当，这一事实使他们的声音现象学状况增加了更多的信用。相比之下，尽管使用当前的哈勃式地平线作为固定全息长度，其中一些HDE受到青睐，但在全息长度是动态的，并且随着Hubble Horizon的发展而发展时，它们在更现实的情况下变得高度不利。
We perform a comparative study of different types of dynamical dark energy models (DDES) using the cosmographic method. Among the models being examined herein we have the Running Vacuum models (RVMs), which have demonstrated considerable ability to fit the overall cosmological data at a level comparable to the standard cosmological model, $Λ$CDM, and capable of alleviating the $σ_8$ and $H_0$ tensions. At the same time we address a variety of Holographic dark energy models (HDEs) with different options for the time (redshift)-varying model parameter $c=c(z)$. We deal with the HDEs under the double assumption of fixed and evolving holographic length scale and assess which one is better. Both types of DDEs (RVMs and HDEs) are confronted with the most robust cosmographic data available, namely the Pantheon sample of supernovae (SnIa), the baryonic acoustic oscillation data (BAOs) extracted from measurement of the power spectrum and bispectrum of the BOSS data release, and the cosmic chronometer measurements of the Hubble rate (CCHs) at different redshifts obtained from spectroscopic observations of passively evolving galaxies. Using these data samples we assess the viability of the mentioned DDEs and compare them with the concordance $Λ$CDM model. From cosmographic analysis we conclude that the RVMs fare comparably well to the $Λ$CDM, a fact which adds up more credit to their sound phenomenological status. In contrast, while some of the HDEs are favored using the current Hubble horizon as fixed holographic length, they become highly unfavoured in the more realistic case when the holographic length is dynamical and evolves as the Hubble horizon.
