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Narges Rashidi Talouki

Narges Rashidi Talouki

Academic rank: Assistant Professor
ORCID:
Education: PhD.
ScopusId:
Faculty: Science
Address: University of Mazandaran
Phone: 01135302401

Research

Title
Some Aspects of the Tachyon Inflation with Superpotential in Confrontation with Planck2018 Data
Type
JournalPaper
Keywords
There is no keyword in this paper.
Year
2021
Journal The Astrophysical Journal
DOI
Researchers Narges Rashidi Talouki

Abstract

We study tachyon inflation in the presence of the superpotential as an inflationary potential. We study the primordial perturbations and their non-Gaussian feature in the equilateral configuration. We use the Planck2018 TT, TE, EE+lowE+lensing+BK14+BAO joint data at 68% CL and 95% CL to perform numerical analysis on the scalar perturbations and seek the observational viability of the tachyon inflation with superpotential. We also check the observational viability of the model by studying the tensor part of the perturbations and comparing the results with Planck2018 TT, TE, EE+lowE+lensing+BK14+BAO+ LIGO&Virgo2016 joint data at 68% CL and 95% CL. By studying the phase space of the model’s parameters, we predict the amplitude of the equilateral non- Gaussianity in this model. The reheating phase after inflation is another issue that is explored in this paper. We show that, in some ranges of the model’s parameters, it is possible to have an observationally viable tachyon model with superpotential.