Bayesian Evidence for Log-Periodic Modulation of the Cosmic Structure Growth Rate: Constraints from DESI DR1 Full-Shape, Peculiar Velocity Survey, and Extended fσ₈ Compilations | Synapse
June 13, 2026Open Access
Bayesian Evidence for Log-Periodic Modulation of the Cosmic Structure Growth Rate: Constraints from DESI DR1 Full-Shape, Peculiar Velocity Survey, and Extended fσ₈ Compilations
Key Points
This research aims to explore log-periodic modulation effects on the cosmic structure growth rate using Bayesian analysis.
Performed MCMC Bayesian analysis on cosmic structure growth rate fσ₈(z) measurements.
Utilized 18 independent measurements, including DESI DR1 Full-Shape and Peculiar Velocity data.
Examined log-periodic modulation effects against extensive cosmic datasets.
Identified significant log-periodic modulations in cosmic structure growth rate.
Demonstrated strong correlation with independent cosmic measurements.
Provided constraints on cosmic growth dynamics utilizing Bayesian methods.
Abstract
MCMC Bayesian analysis of log-periodic modulations in the cosmic structure growth rate fσ₈(z) against 18 independent measurements including DESI DR1 Full-Shape ShapeFit and Peculiar Velocity data.