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Preprint . 2026
License: CC BY
Data sources: Datacite
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Finite-Relaxation Geometry (FRG) 3.1: Scale Dependence of Geometric Relaxation and the Hierarchy of Gravitational Regimes

Authors: Zabrodin, Pavlo;

Finite-Relaxation Geometry (FRG) 3.1: Scale Dependence of Geometric Relaxation and the Hierarchy of Gravitational Regimes

Abstract

Finite-Relaxation Geometry (FRG) proposes that spacetime geometry approaches quasi-stationary General Relativity configurations over a finite relaxation timescale rather than instantaneously. Previous formulations introduced the geometric relaxation time \tau_g as an effective phenomenological parameter governing the persistence of geometric memory following curvature perturbations. In this work we clarify the physical interpretation and admissible behavior of the relaxation time within the FRG framework. We argue that \tau_g should be understood as a macroscopic scale-dependent parameter characterizing the response of spacetime geometry to gravitational perturbations. This interpretation naturally leads to a hierarchy of relaxation regimes ranging from effectively instantaneous relaxation at local scales to cosmological relaxation occurring over Hubble timescales. Within this framework, galactic halos, cosmic acceleration, and black holes can be interpreted as manifestations of progressively slower geometric relaxation across gravitational scales. The proposed formulation introduces no modification of the Einstein field equations, preserves local Lorentz invariance and causal structure, and remains fully compatible with current astrophysical and cosmological observations. The functional form of the relaxation time is left phenomenological and subject to future observational constraints.

This work extends the Finite-Relaxation Geometry (FRG) program by clarifying the scale dependence of the geometric relaxation time and establishing a hierarchy of gravitational relaxation regimes across astrophysical and cosmological scales.

Keywords

gravity, cosmology, dark matter, dark energy, spacetime geometry, black holes

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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!
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Average
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