Accelerating multidimensional cosmologies with scalar fields
Baukh Victor
TL;DR
This paper investigates multidimensional cosmological models with scalar fields, demonstrating conditions under which the external space experiences accelerated expansion, analyzed in both Einstein and Brans-Dicke frames.
Contribution
It introduces a detailed analysis of multidimensional cosmologies with scalar fields, highlighting accelerated expansion in specific configurations and frames.
Findings
External space undergoes accelerated expansion in certain cases
Analysis conducted in both Einstein and Brans-Dicke frames
Model includes spherical and flat extra dimensions
Abstract
We study multidimensional cosmological models with a higher-dimensional product manifold, that consists of spherical and flat spaces, in the presence of a minimal free scalar field. Dynamical behaviour of the model is analyzed both in Einstein and Brans-Dicke conformal frames. For a number of particular cases, it is shown that external space-time undergoes an accelerated expansion
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory