Relaxation-Driven Cyclic Cosmology (RDCC) v9.0: Predictive Cosmology, Nonlinear Structure Formation, and Astrophysical Signatures
Relaxation-Driven Cyclic Cosmology (RDCC) v9.0: Predictive Cosmology, Nonlinear Structure Formation, and Astrophysical Signatures
Relaxation-Driven Cyclic Cosmology (RDCC) v9.0: Predictive Cosmology, Nonlinear Structure Formation, and Astrophysical Signatures This major release advances RDCC to predictive and astrophysical depth: nonlinear structure formation (halo mass function, subhalo suppression), black-hole population evolution (echo rates, mass function), full 21-cm reionization simulations (bubble size distribution), Bayesian parameter inference (MCMC), and forecasts for Euclid DR2, SKA Phase 1/2, LISA O3, and CMB-S4. The nonsingular, eternally cyclic model uses a single effective complex scalar field Φ in a tilted double-well potential, driving dynamic dark energy (w_DE > -1) and eternal cycles. A CPT-conjugate mirror sector provides cold dark matter and resolves baryon asymmetry (η_B ≈ 6.1×10^{-10}, Ω_DM/Ω_b ≈ 5.38). Falsifiability: No GW echo population (LISA/LIGO), no subhalo suppression (Euclid/JWST), no 21-cm flattening (SKA/HERA), S_8 mismatch (Euclid), ΔN_eff > 0.1 (CMB-S4/BBN). This version builds on: Relaxation-Driven Cyclic Cosmology (RDCC) v1.0: A Minimal Eternal Framework and Its Dynamical Realization: https://zenodo.org/records/18281686 Relaxation-Driven Cyclic Cosmology (RDCC) v2.0: A Minimal Eternal Framework with Dynamical Realization and Extensions: https://zenodo.org/records/18304744 Relaxation-Driven Cyclic Cosmology (RDCC) v5.0: Bounce-Matching Formalism, Mirror-Sector Dynamics, and Refined Gravitational Waves: https://zenodo.org/records/18307836 Relaxation-Driven Cyclic Cosmology (RDCC) v6.0: Black Hole Bounces as Local CPT-Fixpoints, Full Perturbation Transfer Matrix and Mirror-Sector Microphysics: https://zenodo.org/records/18312656 Relaxation-Driven Cyclic Cosmology (RDCC) v7.0: Quantum-Corrected Black Hole Bounces, Full Perturbation Transfer Matrix with Phase-Shift, and Mirror Microphysics https://zenodo.org/records/18327084 Relaxation-Driven Cyclic Cosmology (RDCC) v8.0: Parameter Space Exploration, Data Confrontation, and Predictive Structure Formation https://zenodo.org/records/18334398 While the core of RDCC remains a structural, timeless framework with fixpoint character, this document explores a dynamical realization of the bounce mechanism to enable concrete, falsifiable predictions. Related documents and the full RDCC ecosystem are available via Zenodo:https://zenodo.org/records/18204087 Michael Lehmannmi.lehmann@gmx.de
Quantum Gravity, Planck, Astrophysics and Astronomy, JWST, MCMC, HERA, data confrontation, dark matter, black hole information paradox, 21-cm cosmology, cyclic cosmology, Hubble tension, Theoretical Physics, Relaxation-Driven Cyclic Cosmology, nonsingular bounce, structure formation, 21-cm reionization, S8 tension, parameter inference, mirror sector, parameter space, dark energy, DESI DR2, LISA, RDCC, SKA, CPT symmetry, Euclid, Cosmology, nonlinear structure formation, small-scale structure, black hole echoes, gravitational waves, forecasts
Quantum Gravity, Planck, Astrophysics and Astronomy, JWST, MCMC, HERA, data confrontation, dark matter, black hole information paradox, 21-cm cosmology, cyclic cosmology, Hubble tension, Theoretical Physics, Relaxation-Driven Cyclic Cosmology, nonsingular bounce, structure formation, 21-cm reionization, S8 tension, parameter inference, mirror sector, parameter space, dark energy, DESI DR2, LISA, RDCC, SKA, CPT symmetry, Euclid, Cosmology, nonlinear structure formation, small-scale structure, black hole echoes, gravitational waves, forecasts
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