A dark energy model in Lyra manifold

被引：11

作者：

Hova, Hoavo ^{[1
]}

机构：

[1] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Peoples R China

来源：

JOURNAL OF GEOMETRY AND PHYSICS | 2013年 / 64卷

关键词：

Lyra's geometry; Cosmology; Dark energy; Interaction; Cosmological constant; SCALAR-TENSOR THEORY; PROBE WMAP OBSERVATIONS; YANG-MILLS CONDENSATE; STIFF FLUID MODELS; COSMOLOGICAL CONSTANT; QUINTOM MODEL; OSCILLATING QUINTOM; MODIFIED GRAVITY; SUPERNOVA; CONSEQUENCES;

D O I：

10.1016/j.geomphys.2012.08.004

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We consider, in normal-gauge Lyra's geometry, evolution of a homogeneous isotropic universe in a gravitational model involving only the standard matter in interaction with a displacement vector field phi(mu). Considering both constant and time-dependent displacement vector fields we show that the observed cosmic acceleration could be explained without considering an alien energy component with a negative pressure. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：146 / 154

页数：9

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