On negative mass

@article{Bellette2013OnNM,
  title={On negative mass},
  author={J. Bellet{\^e}te and M. Paranjape},
  journal={International Journal of Modern Physics D},
  year={2013},
  volume={22},
  pages={1341017}
}
The Schwarzschild solution to the matter free, spherically symmetric Einstein equations has one free parameter, the mass. But the mass can be of any sign. What is the meaning of the negative mass solutions? The answer to this question for the case of a pure Schwarzschild negative mass black solution is still elusive, however, in this essay, we will consider negative mass solutions within a Schwarzschild–de Sitter geometry. We show that there exist reasonable configurations of matter, bubbles of… Expand
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