Material matter effects in gravitational UV/IR mixing

TL;DR

This paper introduces a matter effect in gravitational UV/IR mixing that aligns the model with standard cosmology and predicts new density-dependent effects for future precision measurements.

Contribution

It proposes a matter effect modification to gravitational UV/IR mixing, resolving previous conflicts with observations and providing new testable predictions.

Findings

Compatible with $\\Lambda$CDM cosmology

Predicts density-dependent effects on fundamental parameters

Suggests new experimental tests for future measurements

Abstract

We propose a matter effect for the gravitational ultraviolet/infrared (UV/IR) mixing solution to the cosmological constant problem. Previously, the gravitational UV/IR mixing model implied a non-standard equation of state for dark energy, contradicting observation. In contrast, matter effect gravitational UV/IR mixing accommodates a standard $\Lambda$CDM cosmology with constant dark energy. Notably, there are new density-dependent predictions for futuristically precise measurements of fundamental parameters, like the magnetic moments of the muon and electron.