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hep-ph2001★ 1 cited
Dynamical Chaos and the Growth of Cosmological Fluctuations
J. P. Zibin
I demonstrate that instability in a system of homogeneous scalar fields leads to the growth of super-Hubble metric perturbations. This generalizes the result that parametric resona…
hep-ph2000★ 61 cited
Backreaction and the Parametric Resonance of Cosmological Fluctuations
J. P. Zibin, R. Brandenberger, Douglas Scott
We study the class of two-field inflationary Universe models λϕ^4/4 + g^2χ^2ϕ^2/2, in which parametric resonance during the initial stages of reheating can lead to an exponential a…