2 papers
gr-qc2024
Quintessence phase of the late-time Universe in gravity
Shambel Sahlu, Bhupendra Kumar Shukla, Rishi Kumar Tiwari +2
In this paper, we have studied the late-time accelerating expansion of the Universe using the matter-geometry coupled gravity model, where is the non-metricity sc…
physics.gen-ph2022
A cosmological model with time dependent , and viscous fluid in General Relativity
Rishi Kumar Tiwari, Alnadhief H. A. Alfedeel, Değer Sofuoğlu +2
In this paper, we investigate Bianchi type cosmological models with bulk viscous fluid and time varying cosmological and Newtonian parameters. The Einstein's field equa…