Preheating with Non-Minimal Kinetic Terms
We present the first (3+1)-dimensional numerical simulations of scalar fields with nonminimal kinetic terms. As an example, we examine the existence and stability of preheating in the presence of a Dirac-Born-Infeld inflaton coupled to a canonical matter field. The simulations represent the full nonlinear theory in the presence of an expanding universe. We show that parametric resonance in the matter field along with self-resonance in the inflaton repopulate the universe with matter particles as efficiently as in traditional preheating.
Giblin, John T. and al., et, "Preheating with Non-Minimal Kinetic Terms" (2013). Physical Review Letters 111. Faculty Publications. Paper 182.
Physical Review Letters