Bianchi Type-I Inflationary Cosmological Models With Constant Deceleration Parameter For Perfect Fluid Distribution In General Relativity | Zendy

Laxmi Lal Jat | Zendy; Atul Tyagi | Zendy; Barkha R. Tripathi | Zendy

Open Access

Bianchi Type-I Inflationary Cosmological Models With Constant Deceleration Parameter For Perfect Fluid Distribution In General Relativity

Author(s) -

Laxmi Lal Jat,

Atul Tyagi,

Barkha R. Tripathi

Publication year - 2022

Publication title -

journal of ultra scientist of physical sciences section a

Language(s) - English

Resource type - Journals

eISSN - 2319-8044

pISSN - 2231-346X

DOI - 10.22147/jusps-a/340104

Subject(s) - friedmann–lemaître–robertson–walker metric , hubble's law , physics , deceleration parameter , metric expansion of space , universe , age of the universe , cosmological constant , big bounce , de sitter universe , classical mechanics , mathematical physics , cosmology , cosmological model , physical cosmology , dark energy , astrophysics

The models represent expanding and shearing universe and both models start with Big Bang initially and the expansion stops for large time. The spatial volume increases with time representing inflationary scenario. The shear is zero for large value of time representing isotropization of universe. The Hubble parameter determines the age of the universe. The expression for Hubble parameter matches with FRW model.

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