Effective Gauss-Bonnet Interaction in Randall-Sundrum Compactification
Jihn E. Kim, Bumseok Kyae, Hyun Min Lee
TL;DR
This paper investigates how the Gauss-Bonnet term influences gravitational interactions in Randall-Sundrum models, revealing new static solutions with positive cosmological constants relevant for cosmology.
Contribution
It demonstrates the significance of the Gauss-Bonnet term in Randall-Sundrum models and uncovers new static solutions with positive cosmological constants.
Findings
Existence of a static solution with positive bulk cosmological constant.
Solutions for positive visible sector cosmological constant.
Implications for Friedmann-Robertson-Walker universe.
Abstract
The effective gravitational interaction below the Planck scale in the Randall-Sundrum world is shown to be the Gauss-Bonnet term. In this theory we find that there exists another static solution with a positive bulk cosmological constant. Also, there exist solutions for positive visible sector cosmological constant, which are needed for a later Friedman-Robertson-Walker universe.
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