Noether gauge symmetry approach in f(R) gravity

被引：65

作者：

Hussain, Ibrar ^{[2
]}

Jamil, Mubasher ^{[1
]}

Mahomed, F. M. ^{[3
]}

机构：

[1] Natl Univ Sci & Technol, Ctr Adv Math & Phys, Islamabad, Pakistan

[2] Natl Univ Sci & Technol, Sch Elect Engn & Comp Sci, Islamabad, Pakistan

[3] Univ Witwatersrand, Sch Computat & Appl Math, Ctr Differential Equat Continuum Mech & Applicat, ZA-2050 Johannesburg, South Africa

来源：

ASTROPHYSICS AND SPACE SCIENCE | 2012年 / 337卷 / 01期

关键词：

f ( R ) gravity; Cosmology; Noether symmetries; COSMOLOGY; MODEL;

D O I：

10.1007/s10509-011-0812-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the f(R) gravity model in which the origin of dark energy is identified as a modification of gravity. The Noether symmetry with gauge term is investigated for the f(R) cosmological model. By utilization of the Noether Gauge Symmetry (NGS) approach, we obtain two exact forms f(R) for which such symmetries exist. Further it is shown that these forms of f(R) are stable.

引用

页码：373 / 377

页数：5

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