Combining Universal and Odd RR Axions for Aligned Natural Inflation

Abstract

We successfully embed the Kim-Nilles-Peloso (KNP) alignment mechanism for enhancing the axion decay constant in the context of large volume type IIB orientifolds. The flat direction is generated in the plane of ($C_0$-$C_2$) axions corresponding to the involutively even universal axion $C_0$ and odd axion $C_2$, respectively. The moduli stabilization with large volume scheme has been established as well.

version 3, 28 pages, 7 figures and 3 tables, typos fixed, Evolution of heavier axionic combination (in two-field KNP-type potential) has been added (in section 4) to justify the single field approach, version to appear in JCAP

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Cited by in corpus (14)

• Natural Inflation and Quantum Gravity
• The Challenge of Realizing F-term Axion Monodromy Inflation in String Theory
• Can Gravitational Instantons Really Constrain Axion Inflation?
• Large Field Inflation from Axion Mixing
• D-brane Potentials in the Warped Resolved Conifold and Natural Inflation
• Dimensional oxidation and modular completion of non-geometric type IIB action
• Natural Inflation and Low Energy Supersymmetry
• Natural Inflation from Near Alignment in Heterotic String Theory
• Higher Derivative Corrections to String Inflation
• Aligned Natural Inflation and Moduli Stabilization from Anomalous $U(1)$ Gauge Symmetries
• Non-Uniqueness of Classical Inflationary Trajectories on a High-Dimensional Landscape
• Hitchhiker's Guide to the Swampland: The Cosmologist's Handbook to the string-theoretical Swampland Programme
• Analytic results in aligned axion inflation
• Divisor topologies of CICY 3-folds and their applications to phenomenology