Non-extensive entropy signatures in compact star

arXiv:2609.03237 · gr-qc, astro-ph.HE · Submitted 2026-09-03 · Read on arXiv

gr-qc, astro-ph.HE

Submitted: 2026-09-03

Updated: 2026-09-03

Terminology

• General Relativity — 4× in this paper
• Generalization — 4× in this paper · explained in 13 episodes
• Equation of State (EoS) — 3× in this paper · explained in 4 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Effective matter sectors from modified entropies
• The Area of a Rough Black Hole
• Statistical mechanics in the context of special relativity II
• New modified cosmology from a new generalized entropy
• Tsallis cosmology and its applications in dark matter physics with focus on IceCube high-energy neutrino data
• Constraints on Tsallis Cosmology from Big Bang Nucleosynthesis and the Relic Abundance of Cold Dark Matter Particles
• Study of Tsallis holographic dark energy model in the framework of Fractal cosmology
• Generalized interacting Barrow Holographic Dark Energy: cosmological predictions and thermodynamic considerations
• Baryogenesis in non-extensive Tsallis Cosmology
• Energy conditions in f(R)-gravity
• Anisotropic quark stars in $f(R)= R^{1+\epsilon}$ gravity
• Some Properties of Noether Charge and a Proposal for Dynamical Black Hole Entropy
• From minimal-length quantum theory to modified gravity
• Revisiting compact star in $F(R)$ gravity: Roles of chameleon potential and energy conditions
• Specific neutral and charged black holes in $f(R)$ gravitational theory
• Compact star in noninteger power model of $f(R)$ gravity
• Theoretical and observational constraints on early dark energy in $F(R)$ gravity
• Area-law versus R'enyi and Tsallis black hole entropies
• A non-singular generalized entropy and its implications on bounce cosmology
• Horizon entropy consistent with FLRW equations for general modified theories of gravity and for all EoS of the matter field

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• Limits of the Rastall--Einstein Equivalence: Matter-Action Compatibility, FLRW Dynamics, and Exceptional Sectors
• Boson star-black hole binaries: initial data and head-on collisions