Chaotic Dynamics and Two-Field Inflation
arXiv:gr-qc/9711035 · doi:10.1088/0264-9381/16/5/313
Abstract
We demonstrate the existence of chaos in realistic models of two-field inflation. The chaotic motion takes place after the end of inflation, when the fields are free to oscillate and their motion is only lightly damped by the expansion of the universe. We then investigate whether the presence of chaos affects the predictions of two-field models, and show that chaos enhances the production of topological defects and renders the growth rate of the universe sensitively dependent upon the ``initial'' conditions at the beginning of the oscillatory era.
Latex2e, psfrag (3.03) and Level 2 postscript [Comments about reheating expanded (v2), glitches in references fixed (v3)]
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- Chaotic scalar fields as models for dark energy
- Non-chaotic dynamics in general-relativistic and scalar-tensor cosmology
- Inflating an Inhomogeneous Universe
- Fine-Tuning Solution for Hybrid Inflation in Dissipative Chaotic Dynamics
- Predictions in multifield models of inflation
- Primordial fractal density perturbations and structure formation in the Universe: 1-Dimensional collisionless sheet model
- Initial conditions and sampling for multifield inflation
- Chaotic dynamics in preheating after inflation
- Dynamical System of Scalar Field from 2-Dimension to 3-D and its Cosmological Implication
- Chaotic Symmetry Breaking and Dissipative Two-Field Dynamics
- On the chaos of D-brane phase transitions
- Chaos and Preheating