Cosmological Layered Gravity (CLG) is formulated as the cosmological limit of the Layered Gravity (LG) framework, extending the layered microstructure of spacetime to homogeneous and isotropic expanding universes. By introducing a time-dependent layered structure in the metric and effective gravitational potential, we derive modified Friedmann equations in which oscillatory corrections to the Hubble parameter H(t) and the scale factor a(t) naturally emerge. We show that the CLG framework can mimic inflationary expansion, generate small oscillatory features in the expansion history H(z), and provide an effective description of dark-energy-like acceleration without introducing additional scalar fields. The resulting cosmological dynamics suggest that layered microstructure may leave observable imprints in the cosmic expansion history and large-scale structure, offering a new geometric perspective on inflation and dark energy.
Michito Gatto (Fri,) studied this question.
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