On stable compactification with Casimir-like potential

Details On stable compactification with Casimir-like potential On stable compactification with Casimir-like potential

1998-01-08

arxiv.org/abs/gr-qc/9801013v3

Grav.Cosmol. 4 (1998) 1-16

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, Latex2e, submitted to Gravitation and Cosmology, slightly revised Appendix B

Scientific paper

Multidimensional cosmological models with a higher dimensional space-time manifold are investigated under dimensional reduction. In the Einstein conformal frame, the effective potential for the internal scale factors is obtained. The stable compactification of the internal spaces is achieved due to the Casimir effect. In the case of more than one internal space a Casimir-like ansatz for the energy density of the massless scalar field fluctuations is proposed. Stable configurations with respect to the internal scale factor excitations are found in the cases of one and two internal spaces.

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