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June 11, 2026International Journal of Geometric Methods in Modern Physics

Late-Time Cosmological Evolution in f(R,ℒm) Gravity with a Matter-Dominated Background

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Authors

BSBhupendra Kumar ShuklaGovernment Medical CollegeDSDeğer SofuoğluTwitter (United States)ABA. Beesham

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Overview

Randomized trial evaluates cosmic structure evolution in a new gravity model, highlighting cosmic acceleration implications.

Key Points

  • The research aims to understand the late-time accelerated expansion in a modified gravity framework.
  • Derived equations of motion in a matter-dominated universe.
  • Used Markov Chain Monte Carlo techniques on BAO, cosmic chronometers, and standard candles datasets.
  • Analyzed physical parameters like deceleration, jerk, and snap parameters.
  • Identified the transition redshift for acceleration shift with the value of [Formula: see text].
  • Demonstrated that the gravitational model exhibits a simple trajectory in the quintessence region.
  • Showed the relevance of nonlinear coupling without a cosmological constant in explaining cosmic acceleration.

Cite This Study

Shukla et al. (2026) studied this question.

synapsesocial.com/papers/6a2a50b680c8f91e7f39d25dhttps://doi.org/10.1142/s0219887826502592
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Also Consider

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  1. 1Cosmological dynamics in f(R,Lm) gravity with a hybrid expansion law2026 · 1 citations
  2. 2Phase Space Analysis of Cosmological Models on f(R,G,T) Gravity2026
  3. 3The cosmology of $f(R, L_m)$ gravity: constraining the background and perturbed dynamics2024
  4. 4Cosmological dynamics in f(R,T) gravity theory with a linear equation of state parameterization2026
  5. 5Late-time cosmic acceleration in Ricci-Gauss-Bonnet gravity via gradient descent optimization2026