Resembling Holographic Dark Energy with f(R)Gravity as Scalar Field and Ghost Dark Energy with Tachyon Scalar Fields

被引：1
|
作者：
Aghamohammadi, A. [1 ]
机构：
[1] Islamic Azad Univ, Sanandaj Branch, Sanandaj, Iran
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2015年 / 54卷 / 02期
关键词：
Holographic energy density; Ghost energy density; Scalar field; f (R)-theories of gravity; Tachyon field; Dark energy; GRAVITY THEORIES; INFLATION; MODELS;
D O I：
10.1007/s10773-014-2239-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this article,the dynamics and potential of two different scalar field models is presented in a flat Friedmann-Lemaitre-Robertson-Walker(FLRW) universe. One of those models is obtained from the corresponding relation between holographic energy density (HED) with energy density of the corresponding scalar field of f(R) gravity,and other models is achieved from connection between the ghost energy density (GDE) with energy density of the tachyon field model. Also, a f(R) model according to the the HDE model is calculated then stability,anti -gravity and viable conditions on it are investigated.
引用
收藏
页码：450 / 458
页数：9
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