QCD MODIFIED GHOST SCALAR FIELD DARK ENERGY MODELS

被引：18

作者：

Karami, K. ^{[1
,2
]}

Asadzadeh, S. ^{[1
]}

Mousivand, M. ^{[1
]}

Safari, Z. ^{[1
]}

机构：

[1] Univ Kurdistan, Dept Phys, Sanandaj, Iran

[2] Ctr Excellence Astron & Astrophys Iran CEAAI RIAA, Maragha, Iran

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2013年 / 22卷 / 05期

关键词：

Cosmology; dark energy; PROBE WMAP OBSERVATIONS; HUBBLE-SPACE-TELESCOPE; GALAXY REDSHIFT SURVEY; COSMOLOGICAL CONSTANT; CURRENT-ALGEBRA; K-ESSENCE; MATTER; CONSTRAINTS; EQUATION; TACHYON;

D O I：

10.1142/S0218271813500181

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Within the framework of FRW cosmology, we study the QCD modified ghost scalar field models of dark energy (DE) in the presence of both interaction and viscosity. For a spatially nonflat FRW universe containing modified ghost dark energy (MGDE) and dark matter (DM), we obtain the equation of state of MGDE, the deceleration parameter as well as a differential equation governing the MGDE density parameter. We also investigate the growth of structure formation for our model in a linear perturbation regime. Furthermore, we reconstruct both the dynamics and potentials of the quintessence, tachyon, K-essence and dilaton scalar field DE models according to the evolution of the MGDE density.

引用

页数：28

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