Ruban Universe Model Solutions with Scalar Field in f(R, T) Gravity

In this study, normal, phantom scalar fields (SF) and massive scalar field (MSF) solutions were investigated in f(R,T) andGeneral Relativity theories (GRT) for inhomogeneous and anisotropic Ruban space-time, which is believed to represent thefirst moments of the universe. Solutions were obtained by using the A(x,t)=(xB(t))(n) relation between the metricpotentials of the Ruban universe and the scalar potential models V(phi)=V-0 and V(phi)=V(0)e-(a phi(t)). Obtained results aresupported by graphics. The solutions obtained for scalar fields are compatible with the studies of Aygu n (Gravit Cosmol24:302-307, 2018) and Singh and Singh (Astrophys Space Sci 356:153-162, 2015).