Logarithmic corrected Polynomial $f(R)$ inflation mimicking a cosmological constant - INSPIRE

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Logarithmic corrected Polynomial $f(R)$ inflation mimicking a cosmological constant

J. Sadeghi
(
- Mazandaran U., Babolsar
)
,
B. Pourhassan
(
- Damghan U.
)
,
A.S. Kubeka
(
- South Africa U.
)
,
M. Rostami
(
- Islamic Azad U.
)

Oct 7, 2015

14 pages

Published in:

Int.J.Mod.Phys.D 25 (2016) 07, 1650077

Published: May 6, 2016

e-Print:

1510.02351 [gr-qc]

DOI:

10.1142/S0218271816500772

View in:

reference search31 citations

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Abstract: (World Scientific)

In this paper, we consider an inflationary model of f(R) gravity with polynomial form plus logarithmic term. We calculate some cosmological parameters and compare our results with the Planck 2015 data. We find that presence of both logarithmic and polynomial corrections is necessary to yield slow-roll condition. Also, we study critical points and stability of the model to find that it is a viable model.

Note:

15 pages, 9 figures

Modified gravity
inflation
Planck data
gravitation: f(R)
slow-roll approximation
cosmological constant
critical phenomena
cosmological model
gravitation
stability

References(56)

Figures(18)

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