Why does a spinning black hole's singularity form a ring?

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SUMMARY

The discussion centers on the nature of spinning black holes, specifically the formation of a ring singularity in Kerr black holes. It addresses the geometric properties of this singularity, questioning its volume and mass distribution. The conversation also explores the implications of multi-dimensional spinning black holes and the characteristics of space within and around the ring singularity. Key resources, such as the Kerr metric in Boyer-Lindquist coordinates, are recommended for further understanding.

PREREQUISITES
  • Understanding of Kerr black holes and their properties
  • Familiarity with the Kerr metric and Boyer-Lindquist coordinates
  • Basic knowledge of general relativity and singularities
  • Concept of angular momentum in astrophysical contexts
NEXT STEPS
  • Study the Kerr metric in detail to understand the geometry of spinning black holes
  • Research the implications of multi-dimensional constructs in black hole physics
  • Explore the properties of space-time inside and around ring singularities
  • Investigate the mass distribution in black holes and its effects on singularity formation
USEFUL FOR

Astronomers, physicists, and students of general relativity who are interested in the advanced properties of black holes and their singularities.

Aphex_Twin
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Why does the point singularity of a black hole turn into a ring if the BH is spinning?

What would the singularity look like if the BH were spinning on 2 axes? (What if the BH were really a multi-dimensional construct and were spinning on more axes?)

What is the volume of a ring singularity (can we compute it as a function of mass and angular velocity? Is the mass of the BH distributed along the surface or inside the volume of the ring?

What are the propreties of space inside the hole of the ring and inside the ring?
 
Last edited:
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Can anyone answer at least one of the questions? :bugeye:
 
If you want to investigate the properties of a Kerr BH, I recommend that you learn the Kerr metric, that in Boyer-Lindquist coordinates can be found in this paper
http://arxiv.org/abs/astro-ph/0410194
What is the volume of a ring singularity?
Zero, as a 1-dimensional singularity that is
 

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