Light of Planck-2015 on Noncanonical Inflation

Slow-roll inflationary scenario is considered in noncanonical scalar field model supposing a power-law function for kinetic term and using two formalisms. In the first approach, the potential is picked out as a power-law function, that is, the most common approach in studying inflation. Hamilton-Jac...

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Main Authors: Kh. Saaidi, A. Mohammadi, T. Golanbari
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2015/926807
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author Kh. Saaidi
A. Mohammadi
T. Golanbari
author_facet Kh. Saaidi
A. Mohammadi
T. Golanbari
author_sort Kh. Saaidi
collection DOAJ
description Slow-roll inflationary scenario is considered in noncanonical scalar field model supposing a power-law function for kinetic term and using two formalisms. In the first approach, the potential is picked out as a power-law function, that is, the most common approach in studying inflation. Hamilton-Jacobi approach is selected as the second formalism, so that the Hubble parameter is introduced as a function of scalar field instead of the potential. Employing the last observational data, the free parameters of the model are constrained, and the predicted form of the potential and attractor behavior of the model are studied in detail.
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institution Kabale University
issn 1687-7357
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language English
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series Advances in High Energy Physics
spelling doaj-art-cf47b9db3ca54249baef11a94479a34a2025-02-03T01:31:50ZengWileyAdvances in High Energy Physics1687-73571687-73652015-01-01201510.1155/2015/926807926807Light of Planck-2015 on Noncanonical InflationKh. Saaidi0A. Mohammadi1T. Golanbari2Islamic Azad University, Sanandaj Branch, Pasdaran Street, P.O. Box 618, Sanandaj, IranYoung Researchers and Elites Club, Sanandaj Branch, Islamic Azad University, Sanandaj, IranDepartment of Physics, Faculty of Science, University of Kurdistan, Pasdaran Street, Sanandaj 66177-15175, IranSlow-roll inflationary scenario is considered in noncanonical scalar field model supposing a power-law function for kinetic term and using two formalisms. In the first approach, the potential is picked out as a power-law function, that is, the most common approach in studying inflation. Hamilton-Jacobi approach is selected as the second formalism, so that the Hubble parameter is introduced as a function of scalar field instead of the potential. Employing the last observational data, the free parameters of the model are constrained, and the predicted form of the potential and attractor behavior of the model are studied in detail.http://dx.doi.org/10.1155/2015/926807
spellingShingle Kh. Saaidi
A. Mohammadi
T. Golanbari
Light of Planck-2015 on Noncanonical Inflation
Advances in High Energy Physics
title Light of Planck-2015 on Noncanonical Inflation
title_full Light of Planck-2015 on Noncanonical Inflation
title_fullStr Light of Planck-2015 on Noncanonical Inflation
title_full_unstemmed Light of Planck-2015 on Noncanonical Inflation
title_short Light of Planck-2015 on Noncanonical Inflation
title_sort light of planck 2015 on noncanonical inflation
url http://dx.doi.org/10.1155/2015/926807
work_keys_str_mv AT khsaaidi lightofplanck2015onnoncanonicalinflation
AT amohammadi lightofplanck2015onnoncanonicalinflation
AT tgolanbari lightofplanck2015onnoncanonicalinflation