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A supersymmetric black ring.

Henriette Elvang1, Roberto Emparan, David Mateos

  • 1Department of Physics, University of California, Santa Barbara, California 93106-9530, USA. elvang@physics.ucsb.edu

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|December 17, 2004
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Summary
This summary is machine-generated.

Researchers discovered a novel supersymmetric black hole solution in five-dimensional supergravity. This solution features a non-spherical event horizon topology, marking a significant advancement in understanding these cosmic objects.

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Area of Science:

  • Theoretical Physics
  • String Theory and Supergravity
  • Black Hole Physics

Background:

  • Supersymmetric black holes are crucial for testing theories of quantum gravity.
  • Existing solutions often assume spherical event horizon topologies.
  • Exploring non-spherical topologies is essential for a complete understanding.

Purpose of the Study:

  • To present a new, asymptotically flat, supersymmetric black hole solution in five-dimensional supergravity.
  • To characterize this solution, particularly its event horizon topology.
  • To explore the implications for black hole microstate counting and quantum gravity.

Main Methods:

  • Construction of the black hole solution using supergravity techniques.
  • Analysis of the solution's properties, including its event horizon topology (S1 x S2).
  • Investigation of conserved charges (electric charge, two angular momenta) and their relation to existing solutions.

Main Results:

  • A novel supersymmetric black hole solution with a non-spherical S1 x S2 event horizon topology was found.
  • This is the first asymptotically flat, supersymmetric black hole solution with such a topology.
  • The solution is uniquely determined by its electric charge and two independent angular momenta.

Conclusions:

  • The discovery expands the landscape of known black hole solutions in supergravity.
  • It provides a new tool for studying quantum gravity and black hole entropy.
  • The findings suggest that non-spherical topologies are permissible for supersymmetric black holes.