Accelerated Lyra's cosmology driven by electromagnetic field in inhomogeneous universe
type: Item
instance of: scholarly article
title: Accelerated Lyra's cosmology driven by electromagnetic field in inhomogeneous universe
zbMATH Open document ID: 1187.83086
DOI: 10.1155/2009/471938
author: Anirudh Pradhan
author: Padmini Yadav
published in: International Journal of Mathematics and Mathematical Sciences
publication date: 2010-04-20T00:00:00Z
full work available at URL: https://eudml.org/doc/230051
review text: Summary: A new class of cylindrically symmetric inhomogeneous cosmological models for perfect fluid distribution with electromagnetic field is obtained in the context of Lyra's geometry. We have obtained solutions by considering the time dependent displacement field. The source of the magnetic field is due to an electric current produced along the z-axis. Only \(F_{12}\) is a nonvanishing component of electromagnetic field tensor. To get the deterministic solution, it has been assumed that the expansion \(\theta \) in the model is proportional to the shear \(\sigma \). It has been found that the solutions are consistent with the recent observations of type Ia supernovae, and the displacement vector \(\beta (t)\) affects entropy. Physical and geometric aspects of the models are also discussed in presence and absence of magnetic field.
Mathematics Subject Classification ID: 83F05
Mathematics Subject Classification ID: 83D05
Mathematics Subject Classification ID: 83C15
zbMATH DE Number: 5695210
Wikidata QID: Q58648449
MaRDI profile type: Publication
OpenAlex ID: W2124375169
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DBLP publication ID: journals/ijmmsc/PradhanY09
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description: scientific article; zbMATH DE number 5695210