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January 24, 20260 citationsOpen Access

Relaxation-Driven Cyclic Cosmology (RDCC) v11.0: Entropy Dynamics, Mirror Thermodynamics, EFT Consistency, and Naturalness

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MLMichael Lehmann

Key Points

  • The research aims to enhance Relaxation-Driven Cyclic Cosmology (RDCC) with advanced entropy dynamics and thermodynamic principles.
  • Identifying and addressing logical gaps in entropy dynamics and thermodynamics.
  • Analyzing EFT stability to ensure no ghosts or instabilities exist.
  • Evaluating naturalness to avoid fine-tuning issues in dark energy density.
  • Entropy accumulation over cycles challenges current models.
  • Ensured consistency with BBN compatibility, keeping ΔN_eff < 0.1.
  • Demonstrated EFT stability with configured RG-flow and absence of instabilities.

Abstract

Relaxation-Driven Cyclic Cosmology (RDCC) v11. 0: Entropy Dynamics, Mirror Thermodynamics, EFT Consistency, and Naturalness This release closes logical gaps with rigorous entropy dynamics (no Tolman divergence over cycles), mirror-sector thermodynamics (BBN compatibility, ΔNₑff 0. 1 (BBN), ghosts/instabilities in EFT, fine-tuning of ρDE, no GW echoes (LISA/LIGO), no 21-cm flattening (SKA/HERA). 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 Relaxation-Driven Cyclic Cosmology (RDCC) v9. 0: Predictive Cosmology, Nonlinear Structure Formation, and Astrophysical Signatures https: //zenodo. org/records/18336237 Relaxation-Driven Cyclic Cosmology (RDCC) v10. 0: Unified Cosmology, Full Simulations, and Observational Pipelines https: //zenodo. org/records/18336865 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

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Cite This Study

Michael Lehmann (2026) studied this question.

synapsesocial.com/papers/69746126bb9d90c67120afechttps://doi.org/10.5281/zenodo.18341147
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