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Natural Wormholes as Gravitational Lenses

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arxiv astro-ph/9409051 v1 pith:D6KCMO5S submitted 1994-09-20 astro-ph gr-qc

Natural Wormholes as Gravitational Lenses

classification astro-ph gr-qc
keywords masscompactgravitationalhalomouthnegativewormholesaccrete
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Visser has suggested traversable 3-dimensional wormholes that could plausibly form naturally during Big Bang inflation. A wormhole mouth embedded in high mass density might accrete mass, giving the other mouth a net *negative* mass of unusual gravitational properties. The lensing of such a gravitationally negative anomalous compact halo object (GNACHO) will enhance background stars with a time profile that is observable and qualitatively different from that recently observed for massive compact halo objects (MACHOs) of positive mass. We recommend that MACHO search data be analyzed for GNACHOs.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Gravitational Lensing in a Kasner Background: Distinguishing Wormholes and Black Holes

    gr-qc 2026-07 conditional novelty 5.0

    In a Kasner (anisotropic) universe, wormhole and black-hole lenses produce different directional splits of the Einstein-like scale, while the full critical curves remain nearly circular.

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

    gr-qc 2026-06 unverdicted novelty 4.0

    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.

  3. Observational signatures of negative mass wormholes through their shadows

    gr-qc 2026-05 unverdicted novelty 4.0

    Numerical simulations of negative mass wormholes reveal distinct photon ring substructures in their shadows compared to Schwarzschild black holes and Simpson-Visser wormholes.