What question did this study set out to answer?

This research aims to explore how the backreaction of the effective field theory influences black hole singularities.

March 29, 2026Open Access

CCEGA Paper 27: Black Hole Singularities Are Weak — Backreaction of the Modulus Field Converts Strong Singularities into Weak Ones

Puntos clave

This research aims to explore how the backreaction of the effective field theory influences black hole singularities.
Employs the Friedmann equation to analyze singularity behavior.
Uses the Oppenheimer-Snyder model for black hole collapse scenarios.
Calculates curvature divergence at specific radii to compare singularity types.
Converts strong singularities (inextendible) to weak singularities (potentially extendible).
Found a 10⁴⁰ times reduction in curvature divergence at a=10⁻¹⁰.
Demonstrated that collapse decelerates instead of accelerating under the new model.

Resumen

Full backreaction of Gₑff on the interior Friedmann equation converts (da/dt) ²=K/a (GR, Kretschner ~a⁻⁶, strong singularity) into (da/dt) ²=K·a (CCEGA, Kretschner ~a⁻², weak singularity). Both reach a=0 at the same proper time. Curvature divergence is 10⁴⁰ times smaller at a=10⁻¹⁰. CCEGA does not eliminate the singularity but converts it from strong (inextendible) to weak (potentially extendible). The collapse decelerates instead of accelerating. Calculated for Schwarzschild interior via Oppenheimer-Snyder model.

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