当前位置: X-MOL 学术Universe › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Model Independent Diagnostics in Interacting Dark Energy Models
Universe ( IF 2.5 ) Pub Date : 2020-03-30 , DOI: 10.3390/universe6040049
Ying Jiang , Zhongxu Han , Qian Zhang , Weiqiang Yang , Yabo Wu , Jinyang Li , Han Lou , Chenchen Zhao , Yan Wang

In this paper, we have explored non-gravitational interaction dark energy model between dark energy and cold dark matter (CDM). The main purpose of this work is to explore the deviations from Λ C D M and to distinguish the evolution trajectory of the interaction dark energy model with different parameters. Six forms of interaction were focused on. We have analyzed the deceleration parameters of the coupled model and explored the theoretical models through s t a t e f i n d e r h i e r a r c h y and the O m diagnostic. We have considered that the Equation of State (EoS) parameter w and parameter ξ take different values on the interaction dark energy model respectively and keep another parameter unchanged. It was found that q ( z ) is the worst of the four diagnoses. O m , S 3 ( 1 ) and S 4 ( 1 ) are good tools to distinguish the interaction dark energy model from Λ C D M . S 3 ( 1 ) is a better diagnostic tool when the state parameter w changes and the coupling parameter ξ is fixed, while S 4 ( 1 ) works better when the coupling parameter ξ changes and the state parameter w is fixed.

中文翻译:

交互暗能量模型中的模型独立诊断

在本文中,我们探索了暗能量与冷暗物质(CDM)之间的非重力相互作用暗能量模型。这项工作的主要目的是探索与 Λ C d 中号 并区分了具有不同参数的相互作用暗能量模型的演化轨迹。着重讨论了六种交互形式。我们分析了耦合模型的减速参数,并通过以下方法探索了理论模型 s Ť 一种 Ť Ë F 一世 ñ d Ë [R H 一世 Ë [R 一种 [R C H ÿ Ø 诊断。我们已经考虑过状态方程(EoS)参数w和参数 ξ 在相互作用暗能量模型上分别取不同的值,并保持另一个参数不变。发现 q ž 是四个诊断中最差的。 Ø 小号 3 1个 小号 4 1个 是区分相互作用暗能量模型的好工具 Λ C d 中号 小号 3 1个 当状态参数w改变并且耦合参数变化时,它是一种更好的诊断工具 ξ 是固定的,而 小号 4 1个 耦合参数时效果更好 ξ 改变并且状态参数w是固定的。
更新日期:2020-03-30
down
wechat
bug