Minimal Disformal Ansatz and Two-Scale Constraints for the Radial Acceleration Relation in RCD
Abstract
We construct the simplest effective disformal profile h(g_bar) that achieves the observed RAR slope at a_0 within the spherical QS proxy. Combined with the conformal S3 kinetic function, a two-parameter ramp-and-cut profile (h_0=0.40, g_s=2a_0) yields slope 0.608 at a_0 (observed ~0.6), boost 1.584, and Cassini safety (h~10^-15 at Saturn). The existence window is h_0 in [0.38, 0.44].
Fields of Study & Subjects
Astro and Planetary Science
Gamma-ray bursts and supernovae
Pulsars and Gravitational Waves Research
Publication details
- Journal / source
- Zenodo (CERN European Organization for Nuclear Research)
- Publication date
- 2 March 2026
- Language
- EN
- Document type
- Preprint