Wormholes in Dilatonic Einstein-Gauss-Bonnet Theory

Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology

Scientific paper

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updated version, published in PRL

Scientific paper

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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