Antigravity from a spacetime defect

F.R. Klinkhamer; J.M. Queiruga

Antigravity from a spacetime defect

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arxiv 1803.09736 v5 pith:VQ3NIZGC submitted 2018-03-26 gr-qc hep-th

F.R. Klinkhamer , J.M. Queiruga This is my paper · ORCID

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keywords spacetimeantigravitydefectactivearguecalledcorrespondingdefects

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We argue that there may exist spacetime defects embedded in Minkowski spacetime, which have negative active gravitational mass. One such spacetime defect then repels a test particle, corresponding to what may be called "antigravity."

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May Negative Mass Objects exist in the sky?
gr-qc 2026-02 reject novelty 4.0 of 10

Negative-mass objects are conjectured to arise from fluid-plus-cosmological-constant systems and are realized in reverse-engineered scalar and Gauss-Bonnet models, but the standard-gravity derivation contains a sign error.

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