Novel Einstein–scalar-Gauss-Bonnet wormholes without exotic matter
Georgios AntoniouSchool of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USAAthanasios BakopoulosSchool of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USAPanagiota KantiSchool of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USABurkhard KleihausSchool of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USAJutta KunzSchool of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
2020en
ABI
Аннотация
Novel wormholes are obtained in Einstein-scalar-Gauss-Bonnet theory for several coupling functions. The wormholes may feature a single- or a double-throat geometry and do not demand any exotic matter. The scalar field may asymptotically vanish or be finite, and it may possess radial excitations. The domain of existence is fully mapped out for various forms of the coupling function.
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