English

Constraints on Energy Conditions in $f(R,L_m)$ Gravity

General Relativity and Quantum Cosmology 2022-03-25 v4 High Energy Physics - Theory

Abstract

In this manuscript, we consider the extension of the Hilbert-Einstein action to analyze several interesting features of the theory. More specifically, the Lagrangian f(R)f(R) is replaced by f(R,Lm)f(R, L_m) in action, where RR is the Ricci scalar, and LmL_m is the matter Lagrangian. We derive the motion equations for a test particle in the Friedmann-Lema\^itre-Robertson-Walker (FLRW) flat and homogeneous spacetime. We also derive the energy conditions in this framework. Then, we use the cosmographic parameter such as Hubble, deceleration, jerk, and snap parameters to constraint the model parameters. As a result, we observe that with the constraint range of model parameters our model shows the current accelerated expansion of the universe.

Keywords

Cite

@article{arxiv.2111.03314,
  title  = {Constraints on Energy Conditions in $f(R,L_m)$ Gravity},
  author = {Lakhan V. Jaybhaye and Sanjay Mandal and P. K. Sahoo},
  journal= {arXiv preprint arXiv:2111.03314},
  year   = {2022}
}

Comments

IJGMMP accepted version