Journal
INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS
Volume 13, Issue 9, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219887816501085
Keywords
f(R, T) gravity; future singularity; dynamical systems
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We investigate equations of motion and future singularities of f(R, T) gravity where R is the Ricci scalar and T is the trace of stress-energy tensor. Future singularities for two kinds of equation of state (barotropic perfect fluid and generalized form of equation of state) are studied. While no future singularity is found for the first case, some kind of singularity is found to be possible for the second. We also investigate f(R, T) gravity by the method of dynamical systems and obtain some fixed points. Finally, the effect of the Noether symmetry on f(R, T) is studied and the consistent form of f(R, T) function is found using the symmetry and the conserved charge.
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