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astro-ph.CO2019
Primordial Black Holes from Inflation with Nonminimal Derivative Coupling
Chengjie Fu, Puxun Wu, Hongwei Yu
We propose a novel enhancement mechanism of the curvature perturbations in the nonminimal derivative coupling inflation model with a coupling parameter related to the inflaton fiel…
astro-ph.CO2019
Nonlinear preheating with nonminimally coupled scalar fields in the Starobinsky model
Chengjie Fu, Puxun Wu, Hongwei Yu
We study the preheating after inflation in the Starobinsky model with a nonminimally coupled scalar field . Using the lattice simulation, we analyze the rescattering between the…