Cosmological perturbations in Kaluza-Klein models
Journal Article
·
· Phys. Rev. D; (United States)
Recent works have studied the classical cosmology of the early Universe in Kaluza-Klein models considered as product spaces. In this paper, the growth of cosmological perturbations is examined as a natural extension of established works concerning three-dimensional cases. Appropriate gauge-invariant quantities are defined, and the perturbed field equations are expressed in terms of these. Leading-order solutions are derived for the region in which most of the growth occurs. Difficulties with the models and the sensitivity to model variations are discussed.
- Research Organization:
- Department of Physics, FM-15, University of Washington, Seattle, Washington 98195
- DOE Contract Number:
- AC06-81ER40048
- OSTI ID:
- 5875119
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 33:8; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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