Corpus ID: 231951824

Constraining models of Inflationary Magnetogenesis with NANOGrav

  title={Constraining models of Inflationary Magnetogenesis with NANOGrav},
  author={Ramkishor Sharma},
Generation of magnetic field during inflation can explain its presence over a wide range of scales in the Universe. In Ref.[1], we proposed a model to generate these fields during inflation. These fields have nonzero anisotropic stress which lead to the generation of a stochastic background of gravitational waves (GW) in the early universe. Here we show that for a scenario of magnetogenesis where reheating takes place around QCD epoch, this stochastic GW background lies in the 95% confidence… Expand

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