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Related Experiment Videos

Initial data for black holes and black strings in 5D.

Evgeny Sorkin1, Tsvi Piran

  • 1Racah Institute of Physics, The Hebrew University, Jerusalem, 91904, Israel.

Physical Review Letters
|June 6, 2003
PubMed
Summary

Black hole horizons in 5D spacetime exhibit a phase transition, abruptly changing topology from S3 to S2 x S1. This study explores this discontinuous transition and its phase diagram.

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Area of Science:

  • Theoretical Physics
  • General Relativity
  • String Theory

Background:

  • Black objects and apparent horizons are key features in general relativity.
  • Understanding higher-dimensional spacetimes is crucial for unifying fundamental forces.

Purpose of the Study:

  • To investigate time-symmetric hypersurfaces containing apparent horizons in a 5D spacetime.
  • To identify and characterize phase transitions in black hole horizon topology.

Main Methods:

  • Analysis of time-symmetric hypersurfaces in a 5D spacetime with a compactified circle.
  • Topological analysis of apparent horizons under varying parameters.

Main Results:

  • A discontinuous phase transition was discovered within the family of hypersurfaces.
  • The black hole horizon topology abruptly changes from S3 to S2 x S1.
  • Behavior around the critical point was explored.

Conclusions:

  • The study reveals a novel phase transition in black hole horizon topology.
  • A possible phase diagram for this transition is presented.
  • Findings contribute to the understanding of black hole physics in higher dimensions.

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