Running vacuum model in a non-flat universe

被引：0

作者：

耿朝强 ^{[1
,2
,3
,4
]}

徐彦婷 ^{[3
]}

尹璐 ^{[1
,2
,3
]}

张开拓 ^{[5
,6
]}

机构：

[1] School of Fundamental Physics and Mathematical Sciences Hangzhou Institute for Advanced Study UCAS

[2] International Centre for Theoretical Physics Asia-Pacific

[3] Department of Physics National Tsing Hua University

[4] Department of Physics Anhui Normal University

[5] Collaborative Innovation Center of Light Manipulations and Applications Shandong Normal University

来源：

Chinese Physics C | 2020年 / 10期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

P159 [宇宙学];

学科分类号：

070401 ;

摘要：

We investigate observational constraints on the running vacuum model （RVM） ofΛ=3ν（H;+K/a;）+c;in a spatially curved universe,whereνis the model parameter,K corresponds to the spatial curvature constant,a represents the scalar factor,and c;is a constant defined by the boundary conditions.We study the CMB power spectra with several sets ofνand K in the RVM.By fitting the cosmological data,we find that the best fittedχ;value for RVM is slightly smaller than that ofΛCDM in the non-flat universe,along with the constraints of■.In particular,our results favor the open universe in bothΛCDM and RVM.In addition,we show that the cosmological constraints of ■at 95%C.L.for the neutrino mass sum are relaxed in both models in the spatially curved universe.

引用

页码：182 / 188

页数：7

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