The matter-antimatter interpretation of Kerr spacetime
arXiv:1403.4820 · doi:10.1002/andp.201500154
Abstract
Repulsive gravity is not very popular in physics. However, one comes across it in at least two main occurrences in general relativity: in the negative- region of Kerr spacetime, and as the result of the gravitational interaction between matter and antimatter, when the latter is assumed to be CPT-transformed matter. Here we show how these two independent developments of general relativity are perfectly consistent in predicting gravitational repulsion and how the above Kerr negative- region can be interpreted as the habitat of antimatter. As a consequence, matter particles traveling along vortical geodesics can pass through the throat of a rotating black hole and emerge as antimatter particles (and vice versa). An experimental definitive answer on the gravitational behavior of antimatter is awaited in the next few years.
8 pages, 1 figure. Reference [28] added. This is the pre-peer reviewed version of the article accepted for publication in Annalen der Physik
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- Antimatter gravity and the Universe
- CPTM symmetry, closed time paths and cosmological constant problem in the formalism of extended manifold
- Antimatter Gravity and the Results of the ALPHA-g Experiment
- On Regular Negative Mass Black Holes Under Unitary Time and Proper Antichronous Transformations
- A possible solution to the mystery of the ANITA anomalous events