Braneworld dynamics with vacuum polarization
A.V.Toporensky, P.V.Tretyakov
TL;DR
This paper studies how quantum vacuum polarization effects influence the evolution of brane-world cosmologies, revealing new de Sitter solutions and the potential destruction of existing ones.
Contribution
It introduces the impact of quantum vacuum polarization on brane-world dynamics, identifying new de Sitter points and showing the possible destabilization of DGP solutions.
Findings
Discovery of new vacuum de Sitter points on Randall-Sundrum branes.
Quantum corrections can eliminate DGP de Sitter solutions.
Quantum effects significantly alter brane cosmological dynamics.
Abstract
We investigate the cosmological dynamics of a brane Universe when quantum corrections from vacuum polarization are taken into account. New vacuum de Sitter points existing on Randall-Sundrum brane are described. We show also that quantum correction can destroy the DGP de Sitter solution on induced gravity brane.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Cosmology and Gravitation Theories · Galaxies: Formation, Evolution, Phenomena