Novel Einstein-Scalar-Gauss-Bonnet Wormholes without Exotic Matter

Abstract

Novel wormholes are obtained in Einstein-scalar-Gauss-Bonnet theory for several coupling functions. The wormholes may feature a single-throat 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 several forms of the coupling function.

arXiv commentLatex File, 15 pages, 7 figures, expanded version to appear in Physical Review D

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