Bulk Viscous Kantowski-Sachs Universe with Modified Chaplygin Gas in Lyra Geometry

Objective: To get a solution for Kantowski-Sachs model with modified Chaplygin gas in the framework of in Lyra’s geometry. Methods: To acquire an exact solution of field equations, power law expansion was considered. Findings: It is observed that the jerk parameter j(t) is positive which indicates that the universe smoothly transits from deceleration phase to an acceleration phase. Also observed some physical and kinematic aspects of the resulting model. It is found that the resultant model shows anisotropic in nature. Novelty: The dark energy model under consideration provides deep insight to understand biggest cosmological mysteries. Keywords: Kantowski-Sachs metric, Chaplygin gas, Bulk viscous fluid, Lyra geometry, Power law expansion

Authors

Publication Details

Journal
Indian Journal of Science and Technology
Published
2025-12-31
DOI
https://doi.org/10.17485/ijst/v18i48.1861
Primary Topic
Cosmology and Gravitation Theories
Type
article
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article

Bulk Viscous Kantowski-Sachs Universe with Modified Chaplygin Gas in Lyra Geometry

Vidya Vikas Arts, Commerce and Science College, Samudrapur, Maharashtra, India
Indian Journal of Science and Technology
Cosmology and Gravitation Theories
article

Bulk Viscous Kantowski-Sachs Universe with Modified Chaplygin Gas in Lyra Geometry

Vidya Vikas Arts, Commerce and Science College, Samudrapur, Maharashtra, India
article en

Abstract

Objective: To get a solution for Kantowski-Sachs model with modified Chaplygin gas in the framework of in Lyra’s geometry. Methods: To acquire an exact solution of field equations, power law expansion was considered. Findings: It is observed that the jerk parameter j(t) is positive which indicates that the universe smoothly transits from deceleration phase to an acceleration phase. Also observed some physical and kinematic aspects of the resulting model. It is found that the resultant model shows anisotropic in nature. Novelty: The dark energy model under consideration provides deep insight to understand biggest cosmological mysteries. Keywords: Kantowski-Sachs metric, Chaplygin gas, Bulk viscous fluid, Lyra geometry, Power law expansion

Indian Journal of Science and TechnologyVol. 18(48)
Peace, Justice and strong institutions
Openalex Percentile: Top 28%
Cosmology and Gravitation Theories
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