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Jafar Sadeghi

Academic rank: Professor
ORCID:
Education: PhD.
ScopusId:
Faculty: Science
Address:
Phone: 9111125092

Research

Title
Logarithmic corrected polynomial f(R) inflation mimicking a cosmological constant
Type
JournalPaper
Keywords
Modified gravity; inflation; Planck data
Year
2016
Journal INTERNATIONAL JOURNAL OF MODERN PHYSICS D
DOI
Researchers Jafar Sadeghi ، Behnam Pourhassan ، K. S. Kubeka ، Mohammad Rostami

Abstract

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.