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gr-qc2025★ 2 cited
Power-Law Bounces in Gravity: Analysis of the Ekpyrosis and Accelerating Regimes
Saurya Das, Peter Dunsby, S. Shajidul Haque +1
We investigate the dynamics of the Friedmann-Lemaître-Robertson-Walker spacetime within the framework of gravity using a compact, model-independent dynamical systems approac…
gr-qc2024★ 3 cited
Cosmological Singularity and Power-Law Solutions in Modified Gravity
Saurya Das, S. Shajidul Haque, Seturumane Tema
A bouncing Universe avoids the big-bang singularity. Using the time-like and null Raychaudhhuri equations, we explore whether the bounce near the big-bang, within a broad spectrum…