Wormholes in Dilatonic Einstein-Gauss-Bonnet Theory
Panagiota Kanti, Burkhard Kleihaus, Jutta Kunz
TL;DR
This paper constructs stable, traversable wormholes in four-dimensional dilatonic Einstein-Gauss-Bonnet theory without exotic matter, analyzing their properties and stability.
Contribution
It presents the first explicit construction of stable traversable wormholes in this theory without exotic matter, including their domain of existence and stability analysis.
Findings
Wormholes satisfy a generalized Smarr relation.
A subset of wormholes are linearly stable under radial perturbations.
Wormholes exist without exotic matter in this theory.
Abstract
We construct traversable wormholes in dilatonic Einstein-Gauss-Bonnet theory in four spacetime dimensions, without needing any form of exotic matter. We determine their domain of existence, and show that these wormholes satisfy a generalised Smarr relation. We demonstrate linear stability with respect to radial perturbations for a subset of these wormholes.
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