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Connecting black holes and black strings.

Hideaki Kudoh1, Toby Wiseman

  • 1Department of Physics, The University of Tokyo, Bunkyo-ku, 113-0033, Japan. kudoh@utap.phys.s.u-tokyo.ac.jp

Physical Review Letters
|May 21, 2005
PubMed
Summary

Researchers found new black hole solutions in 5 and 6 dimensions. These findings suggest black holes and black strings merge at a topology-changing point.

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Area of Science:

  • Theoretical physics
  • General relativity
  • String theory

Background:

  • Static vacuum spacetimes with a compact dimension can exhibit black holes or black strings.
  • Black strings have horizons that wrap around the compact dimension, unlike localized black holes.

Purpose of the Study:

  • To present new numerical solutions for localized black holes in 5 and 6 dimensions.
  • To investigate the relationship between black hole and black string solutions.

Main Methods:

  • Numerical relativity simulations.
  • Analysis of static vacuum spacetimes.

Main Results:

  • New numerical solutions for localized black holes in 5 and 6 dimensions were obtained.
  • Evidence suggests that localized black holes and nonuniform black strings merge.
  • This merging occurs at a topology-changing solution.

Conclusions:

  • The black hole and nonuniform black string branches are connected.
  • Topology change plays a crucial role in the unification of these solutions.

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