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We analyze in detail the background cosmological evolution of a scalar field coupled to a massless abelian gauge field through an axial term $\frac{\phi}{f_\gamma} F \tilde{F}$, such as in the case of an axion.
A New Type of Isotropic Cosmological Models Without Singularity
Alexei A. Starobinsky · 1980
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Chiral Dynamics in the Large n Limit
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The Inflationary Universe: A Possible Solution to the Horizon and Flatness Problems
Alan H. Guth · 1981
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A New Inflationary Universe Scenario: A Possible Solution of the Horizon, Flatness, Homogeneity, Isotropy and Primordial Monopole Problems
Andrei D. Linde · 1982
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Arjun Berera · 1995
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P. Daniel Meerburg and David N. Spergel · 2014
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P. A. R. Ade et al · 2015
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Consistent generation of magnetic fields in axion inflation models
Tomohiro Fujita, Ryo Namba, Yuichiro Tada, Naoyuki Takeda, and Hiroyuki Tashiro · 2015
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Numerical study of pseudoscalar inflation with an axion-gauge field coupling
Shu-Lin Cheng, Wolung Lee, and Kin-Wang Ng · 2016
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Rolling axions during inflation: perturbativity and signatures
Marco Peloso, Lorenzo Sorbo, and Caner Unal · 2016
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Primordial gravitational waves for universality classes of pseudoscalar inflation
Valerie Domcke, Mauro Pieroni, and Pierre Binétruy · 2016
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Jessica L. Cook and Lorenzo Sorbo · 2012
Cited alongside, same era.
Gauge Field Production in Axion Inflation: Consequences for Monodromy, non-Gaussianity in the CMB, and Gravitational Waves at Interferometers
Neil Barnaby, Enrico Pajer, and Marco Peloso · 2012
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