Wormholes in Einstein-scalar-Gauss-Bonnet theories with a scalar self-interaction potential

We construct wormholes in Einstein-scalar-Gauss-Bonnet theories with a potential for the scalar field that includes a mass term and self-interaction terms. By varying the Gauss-Bonnet coupling constant we delimit the domain of existence of wormholes in these theories. The presence of the self-intera...

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Veröffentlicht in:Physical review. D 2020-09, Vol.102 (6), p.1, Article 064010
Hauptverfasser: Ibadov, Rustam, Kleihaus, Burkhard, Kunz, Jutta, Murodov, Sardor
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Sprache:eng
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Zusammenfassung:We construct wormholes in Einstein-scalar-Gauss-Bonnet theories with a potential for the scalar field that includes a mass term and self-interaction terms. By varying the Gauss-Bonnet coupling constant we delimit the domain of existence of wormholes in these theories. The presence of the self-interaction enlarges the domain of existence significantly. There arise wormholes with a single throat and wormholes with an equator and a double throat. We determine the physical properties of these wormholes including their mass, their size and their geometry.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.102.064010