Cosmology models with \Omega_M-dependent cosmological constant
V. Majernik
TL;DR
This paper explores a cosmological model where the cosmological constant depends on the matter density parameter, analyzing how the universe's expansion evolves under this new formulation.
Contribution
It introduces a novel cosmological model with a mbda that varies with mma_M, providing new insights into universe evolution.
Findings
The model predicts different expansion histories compared to standard mbda-CDM.
The scalar-based mbda affects the scale factor evolution significantly.
Potential implications for understanding dark energy dynamics.
Abstract
We investigate the evolution of the scale factor in a cosmological model in which the cosmological constant is given by the scalar arisen by the contraction of the stress-energy tensor.
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