Conveners
Mixed Higgs-R^2 model as a UV-extension of the pure Higgs inflation: Lecture #2
- Kohei Kamada (University of Tokyo)
Description
In the second lecture, I will explain how the unitarity problem in the Higgs inflation is resolved by adding the R^2 term. I will also explain why we can say it is the most natural and inevitable extension of the Higgs inflation from the point of view of the renormlaization group approach. Then I will show the dynamics of the model during inflation.
Refs.
[1] Y.Ema, Phys. Lett. B 770 (2017) 403
[2] M.He, A.A.Starobinsky, and J.Yokoyama, JCAP 05 (2018) 064
[3] D.Gorbunov and A.Tokareva, Phys. Lett. B 788 (2019) 37
[4] Y.Ema, JCAP 09 (2019) 027; Y.Ema, K.Mukaida, and J.van de Vis, arXiv:2002.11739 [hep-ph].
