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The study aims to establish a theoretical basis for near-coasting cosmic expansion using 5D brane dynamics.

January 18, 2026Open Access

A Near-Coasting Cosmology from 5D Brane Dynamics

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The study aims to establish a theoretical basis for near-coasting cosmic expansion using 5D brane dynamics.
Developed a framework based on 5D, Z2-symmetric codimension-1 brane setup.
Derived effective Friedmann equation using standard Israel junction conditions.
Analyzed conditions for the emergence of near-coasting in an open universe with mild negative curvature.
Demonstrated a natural emergence of a coasting regime under specific conditions.
Identified key contributions from high-energy corrections and dark radiation terms.
Provided a roadmap for validating the model with future cosmological observations.

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This theoretical framework investigates near-coasting cosmic expansion in a 5D brane-world model, suggesting new insights into cosmology.

Faruk Eren Çıracıoğlu (2026) studied this question.

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