Bulg. J. Phys. vol.50 no.3 (2023), pp. 311-321

Conharmonically Flat Spacetimes in FRW Cosmological Model

Sahanous Mallick
Department of Mathematics, Chakdaha College, P.O.-Chakdaha Dist-Nadia, West Bengal, India
Abstract. The object of the present paper is to investigate conharmonically flat spacetime in the framework of FRW model. In this regard we have considered perfect fluid as a source of matter distribution of the universe. We solved Einstein's field equations with variable cosmological term using special variational law Λ = βH2, where β is a constant and H is the Hubble's parameter. Moreover, we have described a cosmological scenario of the universe with these solutions and shown that this model is in accordance with the recent day observations.

doi: https://doi.org/10.55318/bgjp.2023.50.3.311

Full-text: PDF

go back