Constant-roll inflation field with Tsallis entopic proposal

AI Keskin, K Kurt - The European Physical Journal C, 2023 - Springer
In this work, we investigate the high-energy era of the universe from the constant-roll
condition perspective by taking the Friedmann equation, which is modified by a non-additive …

The fractal structure of high-energy era of the universe

AI Keskin, K Kurt - … Journal of Geometric Methods in Modern …, 2025 - ui.adsabs.harvard.edu
This study examines the structure of the universe during its high-energy era. In this context,
we examine Barrow's proposal of entropy, which forecasts a fractal configuration for the …

Cosmology in scalar–tensor–vector theory via thermodynamics

O Siginc, M Salti, H Yanar, O Aydogdu - Modern Physics Letters A, 2018 - World Scientific
Assuming the universe as a thermodynamical system, the second law of thermodynamics
can be extended to another form including the sum of matter and horizon entropies, which is …