Kaluza–Klein cosmological model with strange-quark-matter in f(R,T) theory of gravity.

This work deals with the Kaluza–Klein cosmological model with strange-quark-matter in f (R , T) theory of gravity, where R is the Ricci scalar and T is the trace of the energy–momentum tensor. To determine the solution of the field equation, we have assumed that scalar expansion θ is proportional to shear scalar σ 2 which leads to R = A m , where R and A are metric potentials and m is constant. The cosmological parameters are investigated with the help of the equation of state strange-quark-matter (SQM) is p = ρ − 4 B c 3 , where B c is Bag constant. We have concentrated on the distances of cosmology such as the look-back time, proper distance, luminosity distance, angular-diameter distance and distance modulus which are presented graphically by using suitable data of H 0 . The physical and geometrical properties of models are also discussed. [ABSTRACT FROM AUTHOR]