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physics.gen-ph2025
Revisiting Varying Speed of Light in Cosmology: Insights from the Friedmann-Lemaître-Robertson-Walker Metric
Seokcheon Lee
In the Friedmann-Lemaître-Robertson-Walker metric, a varying speed of light (VSL) reflects a change in the clock rate across hypersurfaces, described by the lapse function. This v…
physics.gen-ph2024
Cosmography of the minimally extended Varying Speed of Light Model
Seokcheon Lee
Cosmography, as an integral branch of cosmology, strives to characterize the Universe without relying on pre-determined cosmological models. This model-independent approach utilize…
physics.gen-ph2024
Review on the minimally extended varying speed of light model
Seokcheon Lee
It has been known that dimensional constants such as , , , , and are merely human constructs whose values and units vary depending on the chosen system of measu…