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Nonsupersymmetric Heterotic Branes.

Justin Kaidi1, Kantaro Ohmori2, Yuji Tachikawa3

  • 1Department of Physics, University of Washington, Seattle, Washington 98195, USA.

Physical Review Letters
|October 6, 2023
PubMed
Summary

This study identifies previously unknown branes in string theory, providing their exact worldsheet description. These findings advance our understanding of quantum gravity and string theory dynamics.

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Area of Science:

  • Theoretical Physics
  • String Theory
  • Quantum Gravity

Background:

  • Consistent quantum gravity theories suggest the existence of dynamical objects with all possible charges.
  • String theory is a leading candidate for a theory of quantum gravity.

Purpose of the Study:

  • To identify hitherto-unidentified branes in string theory.
  • To provide the exact worldsheet description of near-horizon limits of specific nonsupersymmetric p-branes.

Main Methods:

  • Analysis of nonsupersymmetric p-branes in ten-dimensional heterotic superstring theories.
  • Focus on near-horizon limits for p=7, 6, 4, 0.

Main Results:

  • Exact worldsheet description of identified branes.
  • Confirmation of the existence of additional branes beyond those currently known.

Conclusions:

  • The findings support the hypothesis that string theory contains a richer set of branes than previously understood.
  • This work contributes to a more complete description of quantum gravity.