Weak and strong warm logamediate anisotropic inflationary universe model

Wajiha Javed, Iqra Nawazish, Mohsin Raza Khan, ALI OVGUN

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper we investigate a warm inflation scenario of a locally rotationally symmetric Bianchi type-I model using a background of modified Chaplygin gas. We determine the field equations and perturbations parameters, such as the scalar power spectrum, scalar spectral index, scalar potential, and tensor-to-scalar ratio under the slow roll approximation. We determine these parameters in the direction of the Hubble parameter during both the weak and strong logamediate inflationary regimes. These cosmological parameters show that the anisotropic model is compatible with WMAP 7 from the 2018 Planck observational data.

Original languageEnglish
Pages (from-to)1029-1038
Number of pages10
JournalCanadian Journal of Physics
Volume98
Issue number11
DOIs
StatePublished - 2020
Externally publishedYes

Keywords

  • Scalar field
  • Slow roll approximation
  • Warm inflation

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