Chaotic Inflation as an Attractor in Initial Condition Space

Brandenberger, Robert H.; Kung, J.H.

doi:10.1103/PhysRevD.42.1008

Chaotic Inflation as an Attractor in Initial Condition Space

Robert H. Brandenberger
(
- Brown U.
)
,
J.H. Kung
(
- Brown U.
)

Mar, 1990

29 pages

Published in:

Phys.Rev.D 42 (1990) 1008-1015

DOI:

10.1103/PhysRevD.42.1008

Report number:

BROWN-HET-745

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Abstract: (APS)

We study the evolution of scalar field inhomogeneities in the preinflationary phase of an inflationary universe. We decompose the scalar field configuration in Fourier modes and consider initial conditions in which more than one mode is excited. We find that the long-wavelength modes are stable against perturbations due to short-wavelength excitations and that chaotic inflation results even if at the initial time the short waves contain most of the energy density.

inflation
chaos
field theory: scalar
boundary condition
stability

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