Curvature of the universe and the dark energy potential

被引：7

作者：

del Campo, S ^{[1
]}

机构：

[1] Pontificia Univ Catolica Valparaiso, Inst Fis, Valparaiso, Chile

来源：

PHYSICAL REVIEW D | 2002年 / 66卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.66.123513

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The flatness of an accelerating universe model (characterized by a dark energy scalar field chi) is mimicked from a curved model that is filled with, apart from the cold dark matter component, a quintessencelike scalar field Q. In this process, we characterize the original scalar potential V(Q) and the mimicked scalar potential V(chi) associated with the scalar fields Q and chi, respectively. The parameters of the original model are fixed through the mimicked quantities that we relate to the present astronomical data, such as the equation of state parameter w(chi) and the dark energy density parameter Omega(chi).

引用

页数：7

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