How attractive is the isotropic attractor solution of axion-SU(2) inflation?

26 Aug 2020 Wolfson Ira Maleknejad Azadeh Komatsu Eiichiro

The key to the phenomenological success of inflation models with axion and SU(2) gauge fields is the isotropic background of the SU(2) field. Previous studies showed that this isotropic background is an attractor solution during inflation starting from anisotropic (Bianchi Type I) spacetime; however, not all possible initial anisotropic parameter space was explored... (read more)

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  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY
  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • HIGH ENERGY PHYSICS - THEORY