Quantum improved scale factor evolution and realization of a bouncing universe

Implementing quantum correction to the gravitational potential we investigate the cosmological ramifications of Verlinde’s entropic force. The relevant upgraded Friedmann equations are obtained by incorporating the modified potential and obtaining logarithmic corrections to the entropy-area relation. The impact of this correction on the dynamical evolution of the scale factor is examined, with a focus on how they contribute to the realization of a non-singular bouncing universe. We show that quantum-induced changes to gravity can offer a promising way to shape early-universe dynamics and circumvent the initial singularity. In addition, we discuss the compatibility of the framework with scenarios prompted by observations and investigate the parametric dependence of the bounce conditions.

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Publication Details

Journal
Physics Letters B
Published
2025-11-17
DOI
https://doi.org/10.1016/j.physletb.2025.140025
Primary Topic
Cosmology and Gravitation Theories
Type
article
Field-Weighted Citation Impact
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article

Quantum improved scale factor evolution and realization of a bouncing universe

Anisur Rahaman
Physics Letters B
Cosmology and Gravitation Theories
article

Quantum improved scale factor evolution and realization of a bouncing universe

Anisur Rahaman
article en

Abstract

Implementing quantum correction to the gravitational potential we investigate the cosmological ramifications of Verlinde’s entropic force. The relevant upgraded Friedmann equations are obtained by incorporating the modified potential and obtaining logarithmic corrections to the entropy-area relation. The impact of this correction on the dynamical evolution of the scale factor is examined, with a focus on how they contribute to the realization of a non-singular bouncing universe. We show that quantum-induced changes to gravity can offer a promising way to shape early-universe dynamics and circumvent the initial singularity. In addition, we discuss the compatibility of the framework with scenarios prompted by observations and investigate the parametric dependence of the bounce conditions.

Physics Letters BVol. 871
National Institute of Technology Durgapur (IN)
Openalex Percentile: Top 76%
Cosmology and Gravitation Theories
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