PIRSA:21110025 Scientific Series Quantum Fields and Strings

DOI10.48660/21110025

Series: Quantum Fields and Strings

Basile, I. (2021). Brane dynamics with broken supersymmetry. Perimeter Institute. https://pirsa.org/21110025

Basile, Ivano. Brane dynamics with broken supersymmetry. Perimeter Institute, Nov. 23, 2021, https://pirsa.org/21110025 

@misc{ pirsa_PIRSA:21110025,
  doi = {10.48660/21110025},
  url = {https://pirsa.org/21110025},
  author = {Basile, Ivano},
  keywords = {Quantum Fields and Strings},
  language = {en},
  title = {Brane dynamics with broken supersymmetry},
  publisher = {Perimeter Institute},
  year = {2021},
  month = {nov},
  note = {PIRSA:21110025 see, \url{https://pirsa.org}}
}

Abstract

We investigate interactions between branes of various dimensions, both charged and uncharged, in some non-supersymmetric string models. These include the USp(32) and U(32) orientifolds of the type IIB and type 0B strings, as well as the SO(16) x SO(16) projection of the exceptional heterotic string. The resulting ten-dimensional spectra are free of tachyons and the combinations of branes that they contain give rise to rich and varied dynamics. We focus on potentials that describe their mutual interactions, both in the probe regime and in the string-amplitude regime, finding qualitative agreement despite the absence of supersymmetry and confirming the Weak Gravity Conjecture for charged branes.

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