TL;DR
This paper introduces a simplified cosmological model that approximates the entire history of cosmic expansion by analyzing the Hubble parameter and scale factor in a flat FRW universe, fitting it to observational data.
Contribution
It presents a toy model of cosmic history based on specific behaviors of the Hubble parameter and scale factor, matching observational data in a simplified framework.
Findings
Model approximates the complete cosmic expansion history.
Parameters fitted using theoretical and observational tests.
Potential to serve as a simplified tool for cosmological studies.
Abstract
In the present paper, we study a toy cosmological model derived from the specific behavior of the Hubble parameter and the scale factor in a spatially-flat Friedmann-Robertson-Walker (FRW) space-time. We demonstrate that our model could match in some approximation the complete history of cosmic expansion. To establish the appropriate values of the the model parameters, that is to fit the real universe, we apply some theoretical and observational tests.
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