A study on the modified holographic Ricci dark energy in logarithmic f(T) gravity

被引：14

作者：

Pasqua, Antonio ^{[1
]}

Chattopadhyay, Surajit ^{[2
]}

机构：

[1] Univ Trieste, Dept Phys, Trieste, Italy

[2] Pailan Coll Management & Technol, Dept Comp Applicat, Kolkata 700104, India

来源：

CANADIAN JOURNAL OF PHYSICS | 2013年 / 91卷 / 04期

关键词：

PROBE WMAP OBSERVATIONS; DIGITAL SKY SURVEY; NONFLAT UNIVERSE; MODEL; COSMOLOGY; CONSTRAINTS; SUPERNOVA; RELEASE; MATTER; FIELD;

D O I：

10.1139/cjp-2012-0547

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we have studied and investigated the behavior of a modified holographic Ricci dark energy (DE) model interacting with pressureless dark matter (DM) under the theory of modified gravity, dubbed logarithmic f(T) gravity. We have chosen the interaction term between DE and DM in the form Q = 3 gamma H rho(m) and investigated the behavior of the torsion, T, the Hubble parameter, H, the equation of state parameter, omega(DE), the energy density of DE, rho(DE), and the energy density contribution due to torsion, rho(T), as functions of the redshift, z. We have found that T increases with the redshift, z, H increases with the evolution of the universe, omega(DE) has a quintessence-like behavior, and both energy densities increase going from higher to lower redshifts.

引用

页码：351 / 354

页数：4

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