Phantom-Divide Crossing in Barrow-Tsallis Holographic Dark Energy with a Scale-Dependent Barrow Exponent

arXiv:2607.26089 · gr-qc, astro-ph.CO · Submitted 2026-07-27 · Read on arXiv

D. A. Yerokhin

gr-qc, astro-ph.CO

Submitted: 2026-07-27

Comments: 22 pages, 2 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Quintessence — 14× in this paper · explained in 2 episodes
• Consistency — 6× in this paper · explained in 3 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Apparent Horizon — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Conservation Laws — 1× in this paper · explained in 3 episodes
• Decoupling — 1× in this paper · explained in 2 episodes

Sources

• Extended Dark Energy analysis using DESI DR2 BAO measurements
• How Theory-Informed Priors Affect DESI Evidence for Evolving Dark Energy
• Evolving Dark Energy or Supernovae Systematics?
• Dark Energy After DESI DR2: Observational Status, Reconstructions, and Physical Models
• DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
• Phantom-Crossing Dark Energy and the m Tug-of-War
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• Effective Phantom Dark Energy: What Cosmological Reconstruction Does and Does Not Imply
• Can dark energy evolve to the Phantom?
• Effective Field Theory, Black Holes, and the Cosmological Constant
• Quintom Cosmology: Theoretical implications and observations
• A Model of Holographic Dark Energy
• Holographic Dark Energy
• Quintom cosmology and modified gravity after DESI 2024
• Quintessential dark energy crossing the phantom divide
• Holographic dark energy through Tsallis entropy
• Interacting Dark Sectors in light of DESI DR2
• Modified cosmology from extended entropy with varying exponent
• Barrow holographic dark energy
• Phantom crossing or dark interaction?

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