Scale-invariant helical magnetic field evolution and the duration of inflation

23 Nov 2017 Kahniashvili Tina Brandenburg Axel Durrer Ruth Tevzadze Alexander G. Yin Winston

We consider a scale-invariant helical magnetic field generated during inflation. We show that, if the mean magnetic helicity density of such a field is measured, it can be used to determine a lower bound on the duration of inflation... (read more)

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Categories


  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • HIGH ENERGY PHYSICS - PHENOMENOLOGY