f(T) cosmology via Noether symmetry

被引：100
|
作者：
Atazadeh, K. [1 ]
Darabi, F. [1 ,2 ]
机构：
[1] Azarbaijan Univ Tarbiat Moallem, Dept Phys, Tabriz 53741161, Iran
[2] Res Inst Astron & Astrophys Maragha RIAAM, Maragha 55134441, Iran
来源：
EUROPEAN PHYSICAL JOURNAL C | 2012年 / 72卷 / 05期
关键词：
PROBE WMAP OBSERVATIONS; ANISOTROPY;
D O I：
10.1140/epjc/s10052-012-2016-z
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We consider the Noether symmetry approach to find exact cosmological solutions in f(T)-gravity. Instead of taking into account phenomenological models, we apply the Noether symmetry to f(T) gravity. As a result, the presence of such symmetries selects viable models and allows one to solve the equations of motion. We show that the generated f(T) leads to a power law expansion for the cosmological scale factor.
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页数：7
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