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gr-qc1998
Multidimensional perfect fluid cosmology with stable compactified internal dimensions
U. Guenther, A. Zhuk
Multidimensional cosmological models in the presence of a bare cosmological constant and a perfect fluid are investigated under dimensional reduction to 4-dimensional effective mod…
gr-qc1997
Stable compactification and gravitational excitons from extra dimensions
U. Guenther, A. Zhuk
We study inhomogeneous multidimensional cosmological models with a higher dimensional space-time manifold under dimensional reduction. Stability due to different types of effective…