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

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arxiv 1904.13091 v2 pith:IWPA6MLN submitted 2019-04-30 hep-th gr-qc

classification hep-thgr-qc
keywords wormholescouplingeinstein-scalar-gauss-bonnetexoticmatternovelseveralasymptotically
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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