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Stable Lorentzian Wormholes in Dilatonic Einstein-Gauss-Bonnet Theory

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arxiv 1111.4049 v3 pith:R6S7VPZE submitted 2011-11-17 hep-th astro-ph.COgr-qc

Panagiota Kanti , Burkhard Kleihaus , Jutta Kunz This is my paper · ORCID
classification hep-thastro-ph.COgr-qc
keywords wormholesdilatoniceinstein-gauss-bonnetexistencelorentzianperformstabletheory
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We discuss the properties of Lorentzian wormholes in dilatonic Einstein-Gauss-Bonnet theory in four spacetime dimensions. These wormholes do not need any form of exotic matter for their existence. A subset of these wormholes is shown to be linearly stable with respect to radial perturbations. We perform a comprehensive study of their domain of existence, and derive a generalised Smarr relation for these wormholes. We also investigate their geodesics determining all possible particle trajectories, and perform a study of the acceleration and tidal forces that a traveler crossing the wormhole would feel.

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  1. Ellis-Bronnikov Wormhole Shadows with Spherically Symmetric Accretion Flow

    gr-qc 2026-06 unverdicted novelty 4.0 of 10

    GRRT simulations of spherically symmetric accretion show the Ellis-Bronnikov wormhole yields brighter shadow and photon ring than Schwarzschild, both consistent with EHT M87* data.

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