A review of axion inflation in the era of Planck

@inproceedings{Pajer2013ARO,
  title={A review of axion inflation in the era of Planck},
  author={Enrico Pajer and Marco Peloso},
  year={2013}
}
Because the inationary mechanism is extremely sensitive to UV-physics, the construction of theoretically robust models of ination provides a unique window on Planck-scale physics. We review eorts to use an axion with a shift symmetry to ensure a prolonged slow-roll background evolution. The symmetry dictates which operators are allowed, and these in turn determine the observational predictions of this class of models, which include observable gravitational waves (potentially chiral… CONTINUE READING

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