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Auteur principal:	Biswajit De
Format:	Recurso digital
Langue:	anglais
Publié:	Zenodo 2025
Sujets:	Cosmology Thermodynamic expansion ΛCDM alternative Entropy-driven model Cosmic acceleration Background entropic expansion Cosmic Drift
Accès en ligne:	https://doi.org/10.5281/zenodo.17116147
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<p>Background Entropic Expansion Metric (BEEM) is a thermodynamic alternative to ΛCDM that re-expresses cosmological distances via a lattice-like, time-evolving effective metric. We test BEEM against Pantheon+ SNe Ia, multiple BAO datasets, and a Planck 2018 sound-horizon prior, finding competitive fits to late-time expansion without introducing a new dark-energy field</p>