Exponential Quintessence: Analytic Relationship Between the Current Equation of State Parameter and the Potential Parameter

arXiv:2605.05122 · astro-ph.CO, gr-qc, hep-ph, hep-th · Submitted 2026-05-06 · Read on arXiv

astro-ph.CO, gr-qc, hep-ph, hep-th

Submitted: 2026-05-06

Updated: 2026-09-07

Comments: 19 pages, 6 figures, 1 table, to appear in JCAP

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

Terminology

• Quintessence — 23× in this paper · explained in 2 episodes
• Reheating — 5× in this paper · explained in 2 episodes
• Fine-Tuning — 4× in this paper · explained in 5 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes

Sources

• DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• Quintessential interpretation of the evolving dark energy in light of DESI
• Quintom cosmology and modified gravity after DESI 2024
• Cosmological constraints on nonphantom dynamical dark energy with DESI Data Release 2 Baryon Acoustic Oscillations: A 3$\sigma$+ lensing anomaly
• Model-independent reconstruction of cosmic thermodynamics and dark energy dynamics
• Model-independent consistency tests of DESI DR2 BAO and SN Ia
• Cosmology with a Primordial Scaling Field
• Exponential potentials and cosmological scaling solutions
• Scaling Solutions in Robertson-Walker Spacetimes
• Exponential Quintessence and the End of Acceleration
• Dynamics of dark energy
• Jacobi stability analysis of dynamical systems -- applications in gravitation and cosmology
• Unified description of the dynamics of quintessential scalar fields
• Dynamics of cosmological scalar fields
• Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature
• Dynamical systems applied to cosmology: dark energy and modified gravity
• Dynamical System Analysis of Quintessence Models with Exponential Potential -- Revisited
• Exponential Quintessence: curved, steep and stringy?
• De Sitter Space and the Swampland

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