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Non-zero torsion and late cosmology
European Physical Journal C: Particles and Fields
In this work, we study some thermodynamical aspects associated with torsion in a flat FLRW spacetime cosmic evolution. By implementing two Ansatze for the torsion term, we find that the model admits a phantom regime or a quintessence behavior. This scheme differs from the CDM model at the thermodynamical level. The resulting cosmic expansion is not adiabatic, the fulfillment of the second law of thermodynamics requires a positive torsion term, and the temperature of the cosmic fluid is alwaysdoi:10.1140/epjc/s10052-020-8128-y fatcat:5qetkwex3jf7rapbeolug6z2pa