Corpus ID: 235669803

Parity Violating Non-Gaussianity from Axion-Gauge Field Dynamics

  title={Parity Violating Non-Gaussianity from Axion-Gauge Field Dynamics},
  author={Ogan Ozsoy},
We study scalar-tensor-tensor and tensor-scalar-scalar three point cross correlations generated by the dynamics of a transiently rolling spectator axion-U(1) gauge field model during inflation. In this framework, tensor and scalar fluctuations are sourced by gauge fields at the non-linear level due to gravitational interactions, providing a chiral background of gravitational waves while keeping the level of scalar fluctuations at the observationally viable levels at CMB scales. We show that the… Expand

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