Energy from the Bulk through Parametric Resonance
arXiv:hep-th/0409025 · doi:10.1016/j.physletb.2004.08.077
Abstract
We demonstrate that energy can be transferred very rapidly from the bulk to the brane through parametric resonance. In a simple realization, we consider a massless bulk field that interacts only with fields localized on the brane. We assume an initial field configuration that has the form of a wave-packet moving towards the brane. During the reflection of the wave-packet by the brane the localized fields can be excited through parametric resonance. The mechanism is also applicable to bulk fields with a potential. The rapid energy transfer can have important cosmological and astrophysical implications.
12 pages, 4 figures, accepted for publication in Phys. Lett. B
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