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Lamrin International Journal of Multidisciplinary Research
(LIJMR)

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JOURNAL ARTICLE BULK VISCOUS STRING COSMOLOGY WITH A TIME-VARYING COSMOLOGICAL CONSTANT: A MATHEMATICAL INVESTIGATION
Publication Type Journal Article
Publication Year 2026
Author(s) Sonia Sharma,Kulwinder Singh and Mukesh Sharma
Journal Name LTSU International Journal of Multidisciplinary Research (LIJMR)
Volume-1
Issue-1
Pagination 1-32
e-ISSN (Online) 3139-6909
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LIJMR Journal Article

Abstract

Einstein field equations with cosmological constant is considered in the presence of bulk viscosity in Bianchi type-I universe. Solutions of the field equations are obtained by assuming the conditions: the bulk viscosity is proportional to the expansion scalar,expansion scalar is proportional to shear scalar and Λ is proportional to Hubble parameter discussed.

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