New Type IIB Poly-instanton Effects and Axion Quintessence

arXiv:2607.20613 · hep-th, astro-ph.CO, gr-qc · Submitted 2026-07-22 · Read on arXiv

Luca Caraffi, Federico Carta, Michele Cicoli

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

Submitted: 2026-07-22

Comments: 34 pages + appendices, 4 figures

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

Terminology

• Quintessence — 20× in this paper · explained in 2 episodes
• Reheating — 4× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes
• Quantization — 1× in this paper · explained in 12 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• D-brane Instantons in Type II String Theory
• Instantons and Holomorphic Couplings in Intersecting D-brane Models
• Power Towers of String Instantons for N=1 Vacua
• D-instanton and polyinstanton effects from type I' D0-brane loops
• A Note on Poly-Instanton Effects in Type IIB Orientifolds on Calabi-Yau Threefolds
• Four Kahler Moduli Stabilisation in type IIB Orientifolds with K3-fibred Calabi-Yau threefold compactification
• String GUT Scenarios with Stabilised Moduli
• Higgs, Moduli Problem, Baryogenesis and Large Volume Compactifications
• Anisotropic Modulus Stabilisation: Strings at LHC Scales with Micron-sized Extra Dimensions
• Soft Supersymmetry Breaking in Anisotropic LARGE Volume Compactifications
• Poly-instanton Inflation
• Toric K3-Fibred Calabi-Yau Manifolds with del Pezzo Divisors for String Compactifications
• Moduli Stabilization and Inflationary Cosmology with Poly-Instantons in Type IIB Orientifolds
• F-term Stabilization of Odd Axions in LARGE Volume Scenario
• Poly-instanton axion inflation
• Modulated Reheating and Large Non-Gaussianity in String Cosmology
• On Non-Gaussianities in Two-Field Poly-Instanton Inflation
• The 3.5 keV Line from Stringy Axions
• Fuzzy Dark Matter Candidates from String Theory
• Quintessence and the Swampland: The numerically controlled regime of moduli space

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