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ZENODO
Preprint . 2026
License: CC BY
Data sources: ZENODO
ZENODO
Preprint . 2026
License: CC BY
Data sources: Datacite
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Unification of Newton's Gravitational Constant and Einstein's Constant via the Roche Limit in 5D Kaluza-Klein theory

Authors: Demicheri, Hugo; Demicheri, Hugo;

Unification of Newton's Gravitational Constant and Einstein's Constant via the Roche Limit in 5D Kaluza-Klein theory

Abstract

We propose that the compactification radius in 5D Kaluza-Klein theory is set by the Roche limit: R5 = d_Roche/2. Using Einstein's constant kappa = 8πG_N/c^4, we derive d_Roche = (1/M) sqrt[ħc/πG_N kappa] (ρ_P/ρ)^{1/4} with no free parameters. For black holes this predicts d_Roche = r_s = 2G_N M/c^2, unifying tidal and horizon scales. The relation is validated with <0.3% error from Earth-Moon to GW170817 and extended to the observable universe gives t0 = 14.6 Gyr. This suggests gravity and electromagnetism unify at R5 ~ l_p, when d_Roche ~ r_s ~ λ_C.

Keywords

Einstein constant, GW170817, Roche Limit, Black holes, Kaluza-Klein theory, Quantum gravity, Cosmology

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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