August 10, 2024

Late times ΛCDM f(T) gravity model with parameterized q(z)

Key Points

The study confirms that the universe is in an accelerated expansion phase, indicating relevance for current cosmological theories.
Observations align well with the proposed model indicating good agreement, particularly with the traditional LCDM model.
The evaluation utilizes parameterization techniques to understand key cosmological parameters effectively over time frames observed in the universe's history. The torsion scalar's role is quantitatively assessed, emphasizing its significance in explaining cosmic phenomena. Support for this framework may enhance our understanding of universal dynamics.

Abstract

According to a number of astronomical studies, the universe is currently undergoing an accelerated expansion phase. We employed the recently proposed gravity, which holds that the current accelerated expansion phase of the universe is caused by a torsion scalar. The investigation is carried out using a parameterization of Formula: see text (where Formula: see text and Formula: see text are the model parameters) and the Formula: see text using Formula: see text is obtained. The model shows good agreement with recent observations, such as the LCDM model at late times. Finally, we examined how the cosmological parameters behaved in for constrained values.

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Cite This Study

Shekh et al. (Sat,) studied this question.

synapsesocial.com/papers/68e5cc66b6db643587562838 https://doi.org/https://doi.org/10.1142/s0217732324500949

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