Preheating in Dirac-Born-Infeld inflation
arXiv:1005.2425 · doi:10.1088/1475-7516/2010/09/011
Abstract
We study how the universe reheats following an era of chaotic Dirac-Born-Infeld inflation, and compare the rate of particle production with that in models based on canonical kinetic terms. Particle production occurs through non-perturbative resonances whose structure is modified by the nonlinearities of the Dirac-Born-Infeld action. We investigate these modifications and show that the reheating process may be efficient. We estimate the initial temperature of the subsequent hot, radiation-dominated phase.
23 pages
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- Decoding the bispectrum of single-field inflation
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- Preheating with the Brakes On: The Effects of a Speed Limit
- Oscillons during Dirac-Born-Infeld Preheating
- Embedding DBI inflation in scalar-tensor theory
- Constraining Galileon Inflation
- Non-Linear Resonance in Relativistic Preheating
- Frustration of resonant preheating by exotic kinetic terms