New Type of Traversable Wormhole

Frans R. Klinkhamer

New Type of Traversable Wormhole

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arxiv 2307.04678 v2 pith:2HJJY63K submitted 2023-07-06 gr-qc

Frans R. Klinkhamer This is my paper · ORCID

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keywords solutionexoticmattervacuum-defectwormholewormholesallowappear

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We review a new traversable-wormhole solution of the gravitational field equation of general relativity without exotic matter. Instead of having exotic matter to keep the wormhole throat open, the solution relies on a 3-dimensional "spacetime defect," which is characterized by a locally vanishing metric determinant. We also discuss the corresponding multiple-vacuum-defect-wormhole solution and possible experimental signatures from a "gas" of vacuum-defect wormholes. Multiple vacuum-defect wormholes appear to allow for backward time travel.

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Big Bang as spacetime defect
gr-qc 2024-12 conditional novelty 2.0 of 10

The Big Bang singularity is replaced by a degenerate-metric spacelike defect, yielding a smooth bounce with finite curvature and a second world on the other side.

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