Brane Universes and the Cosmological Constant
Ulrich Ellwanger
TL;DR
This paper reviews the cosmological constant problem in the context of brane universe models, discussing various scenarios and the challenges faced in resolving this fundamental issue in cosmology.
Contribution
It provides a comprehensive overview of how the cosmological constant problem appears in brane universe models and reviews the difficulties in finding solutions.
Findings
Identifies key challenges in solving the cosmological constant problem within brane models
Summarizes various approaches and their limitations
Highlights unresolved issues in brane cosmology
Abstract
The cosmological constant problem and brane universes are reviewed briefly. We discuss how the cosmological constant problem manifests itself in various scenarios for brane universes. We review attempts - and their difficulties - that aim at a solution of the cosmological constant problem.
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