Abstract
The thermodynamical study of the universe allows particle production in modified [Formula: see text] ([Formula: see text] is the torsion scalar) theory of gravity within a flat FLRW framework for line element. The torsion scalar [Formula: see text] plays the same role as the Ricci scalar [Formula: see text] in the modified theories of gravity. We derived the [Formula: see text] gravity models by taking [Formula: see text] as the sum of [Formula: see text] and an arbitrary function of [Formula: see text] with three different arbitrary function. We observe that the particle production describes the accelerated expansion of the universe without a cosmological constant or any unknown “quintessence” component. Also, we discussed the supplementary pressure, particle number density and particle production rate for three cases.
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