2024/02/23 by J. A. S. Fortunato, P. H. R. S. Moraes, Fortunato, J. A. S. +7
Earth and Planetary Sciences · Physics and Astronomy · #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Geophysics and Gravity Measurements #Pulsars and Gravitational Waves Research
paper · pdf · doi:10.48550/arxiv.2402.15395
openalex publication_date 2024/02/23 · openalex created_date 2024/02/27 · openalex updated_date 2026/07/28
In the present work, we obtain the hydrostatic equilibrium configurations of neutron stars in the recently proposed f(R,L,T) theory of gravity, for which R is the Ricci scalar, L is the matter lagrangian density, T is the trace of the energy-momentum tensor and f is a function of the argument. This theory emerges in the present literature as a generalized geometry-matter coupling theory of gravity. We derive the Tolman-Oppenheimer-Volkoff-like equation for a particular functional form of the f(R,L,T) function. Our solutions are obtained from realistic equations of state describing matter inside neutron stars. We obtain stable solutions for neutron stars and we show that for some values of the free parameter of the theory it is possible to be in agreement with both NICER and LIGO/Virgo observational data.