Noether Gauge Symmetry Approach in f(R) Gravity

Details Noether Gauge Symmetry Approach in f(R) Gravity Noether Gauge Symmetry Approach in f(R) Gravity

2011-07-26

arxiv.org/abs/1107.5211v1

Astrophys Space Sci (2012) 337:373-377

Physics

General Physics

6 pages, accepted by Astrophys. Sp. Sci

Scientific paper

10.1007/s10509-011-0812-9

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.

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