69 citations · 249 across the 13 of their papers we have counts for
13 papers
Phenomenology of brane-world cosmological models
Uwe Guenther, Alexander Zhuk
We present a brief review of brane-world models - models in which our observable Universe with its standard matter fields is assumed as localized on a domain wall (three-brane) in…
Multidimensional cosmological models: cosmological and astrophysical implications and constraints
U. Guenther, A. Starobinsky, A. Zhuk
We investigate four-dimensional effective theories which are obtained by dimensional reduction of multidimensional cosmological models with factorizable geometry and consider the i…
On new gravitational instantons describing creation of brane-worlds
M. Bouhmadi-Lopez, P. F. Gonzalez-Diaz, A. Zhuk
By considering 5--dimensional cosmological models with a bulk filled with a pressureless scalar field; equivalently dust matter, and a negative cosmological constant, we have found…
Topological defect brane-world models
M. Bouhmadi-Lopez, P. F. Gonzalez-Diaz, A. Zhuk
5-dimensional homogeneous and isotropic models with a bulk cosmological constant and a minimally coupled scalar field are considered. We have found that in special cases the scalar…
Generalized de Sitter solution in multidimensional cosmology with static internal spaces
A. Zhuk
A multidimensional cosmological model with space-time consisting of n (n>1) Einstein spaces M_i is investigated in the presence of a cosmological constant Lambda and a homogeneous…
Restrictions on dilatonic brane-world models
A. Zhuk
We consider dilatonic brane-world models with a non-minimal coupling between a dilaton and usual matter on a brane. We demonstrate that variation of the fundamental constants on th…
Comments on conformal stability of brane-world models
M. Bouhmadi-Lopez, A. Zhuk
The stability of 5-D brane-world models under conformal perturbations is investigated. The analysis is carried out in the general case and then it is applied to particular solution…
Gravitational Excitons as Dark Matter
U. Guenther, A. Zhuk
In earlier work it was pointed out that for warped product spacetimes the conformal (geometrical moduli) excitations of the internal compactified factor spaces should be observable…
A note on dynamical stabilization of internal spaces in multidimensional cosmology
U. Guenther, A. Zhuk
The possibility of dynamical stabilization of an internal space is investigated for a multidimensional cosmological model with minimal coupled scalar field as inflaton. It is shown…
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…
Gravitational excitons from extra dimensions
U. Guenther, A. Zhuk
Inhomogeneous multidimensional cosmological models with a higher dimensional space-time manifold are investigated under dimensional reduction. In the Einstein conformal frame, smal…
Multidimensional Quantum Cosmology: Quantum Wormholes, Third Quantization, Inflation from "Nothing", etc
A. Zhuk
A multidimensional cosmological model with space-time consisting of n (n>1) Einstein spaces M_i is investigated in the presence of a cosmological constant Lambda and m homogeneous…
Multidimensional Classical and Quantum Wormholes in Models with Cosmological Constant
U. Bleyer, V. D. Ivashchuk, V. N. Melnikov +1
A multidimensional cosmological model with space-time consisting of Einstein spaces is investigated in the presence of a cosmological constant and a homog…