On U-Folds and Their Construction

Stefano Maurelli; Ruggero Noris; Marcelo Oyarzo; Mario Trigiante

On U-Folds and Their Construction

High Energy Physics - Theory 2025-05-01 v1

Authors: Stefano Maurelli , Ruggero Noris , Marcelo Oyarzo , Mario Trigiante

Abstract

We review a general paradigm for constructing U-fold backgrounds in (dimensionally reduced) Type IIB superstring theory, of the form ${\rm AdS}_{d-1}\times S^1\times S^d$ , with a monodromy along $S^1$ in the string-duality group. We also consider a special instance with $d=3$ in Type IIB superstring theory, discuss its ten-dimensional uplift and assess its supersymmetry.

Keywords

supergravity string theory compactifications string theory

Cite

@article{arxiv.2504.21590,
  title  = {On U-Folds and Their Construction},
  author = {Stefano Maurelli and Ruggero Noris and Marcelo Oyarzo and Mario Trigiante},
  journal= {arXiv preprint arXiv:2504.21590},
  year   = {2025}
}

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15 pages, LaTeX source

On U-Folds and Their Construction

Abstract

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