Antigravity from a spacetime defectPreprint English OPEN
Klinkhamer, F. R.; Queiruga, J. M.; (2018)
Subject: High Energy Physics - Theory
arxiv: General Relativity and Quantum Cosmology | Physics::General Physics
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."