Multidimensional Cosmological Solutions of Friedmann Type in Dilaton Gravity

TL;DR

This paper derives and classifies generalized Friedmann-type cosmological solutions within a D-dimensional dilaton gravity model featuring a central charge deficit, expanding understanding of cosmological models in higher-dimensional theories.

Contribution

It introduces new generalized Friedmann solutions in D-dimensional dilaton gravity with a central charge deficit, providing a classification of these cosmological models.

Findings

Derived explicit cosmological solutions in higher-dimensional dilaton gravity.

Classified the solutions based on their properties and parameters.

Enhanced the theoretical framework for multidimensional cosmology.

Abstract

In $D$-dimensional dilaton gravitational model with the central charge deficit the generalized Friedmann-type cosmological solutions (spatially homogeneous and isotropic) are obtained and classified.