N $$ \mathcal{N} $$ = 2 Orbi-S-Folds

Abstract We introduce a new class of non-compact backgrounds of Type IIB string theory preserving eight supercharges by combining S-folds and non-perturbative 7-branes wrapping orbifolds, and study the four-dimensional superconformal field theories arising at low energy on D3-branes probing them. We...

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Main Authors: Simone Giacomelli, Raffaele Savelli, Gianluca Zoccarato
Format: Article
Language:English
Published: SpringerOpen 2025-01-01
Series:Journal of High Energy Physics
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Online Access:https://doi.org/10.1007/JHEP01(2025)059
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author Simone Giacomelli
Raffaele Savelli
Gianluca Zoccarato
author_facet Simone Giacomelli
Raffaele Savelli
Gianluca Zoccarato
author_sort Simone Giacomelli
collection DOAJ
description Abstract We introduce a new class of non-compact backgrounds of Type IIB string theory preserving eight supercharges by combining S-folds and non-perturbative 7-branes wrapping orbifolds, and study the four-dimensional superconformal field theories arising at low energy on D3-branes probing them. We draw a precise correspondence between this setup and the torus compactification of six-dimensional orbi-instanton theories with a Stiefel-Whitney twist, and use it to determine the main features of such strongly-coupled systems, like central charges, spectra of Coulomb-branch operators, networks of Higgs-branch flows. Finally, with the aim to improve our understanding of the landscape of N $$ \mathcal{N} $$ = 2 superconformal field theories, and possibly to extend their classification beyond rank two, we provide a detailed catalogue of all the rank-three theories that our framework gives access to.
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spelling doaj-art-d99f75e3ef7347dcb036bcecb338a04a2025-01-19T12:07:24ZengSpringerOpenJournal of High Energy Physics1029-84792025-01-012025118410.1007/JHEP01(2025)059N $$ \mathcal{N} $$ = 2 Orbi-S-FoldsSimone Giacomelli0Raffaele Savelli1Gianluca Zoccarato2Dipartimento di Fisica, Università degli Studi di Milano-BicoccaDipartimento di Fisica, Università di Roma “Tor Vergata” & INFN, sezione di Roma “Tor Vergata”Dipartimento di Fisica, Università di Roma “Tor Vergata” & INFN, sezione di Roma “Tor Vergata”Abstract We introduce a new class of non-compact backgrounds of Type IIB string theory preserving eight supercharges by combining S-folds and non-perturbative 7-branes wrapping orbifolds, and study the four-dimensional superconformal field theories arising at low energy on D3-branes probing them. We draw a precise correspondence between this setup and the torus compactification of six-dimensional orbi-instanton theories with a Stiefel-Whitney twist, and use it to determine the main features of such strongly-coupled systems, like central charges, spectra of Coulomb-branch operators, networks of Higgs-branch flows. Finally, with the aim to improve our understanding of the landscape of N $$ \mathcal{N} $$ = 2 superconformal field theories, and possibly to extend their classification beyond rank two, we provide a detailed catalogue of all the rank-three theories that our framework gives access to.https://doi.org/10.1007/JHEP01(2025)059Conformal Field Models in String TheoryGlobal SymmetriesF-TheorySupersymmetric Gauge Theory
spellingShingle Simone Giacomelli
Raffaele Savelli
Gianluca Zoccarato
N $$ \mathcal{N} $$ = 2 Orbi-S-Folds
Journal of High Energy Physics
Conformal Field Models in String Theory
Global Symmetries
F-Theory
Supersymmetric Gauge Theory
title N $$ \mathcal{N} $$ = 2 Orbi-S-Folds
title_full N $$ \mathcal{N} $$ = 2 Orbi-S-Folds
title_fullStr N $$ \mathcal{N} $$ = 2 Orbi-S-Folds
title_full_unstemmed N $$ \mathcal{N} $$ = 2 Orbi-S-Folds
title_short N $$ \mathcal{N} $$ = 2 Orbi-S-Folds
title_sort n mathcal n 2 orbi s folds
topic Conformal Field Models in String Theory
Global Symmetries
F-Theory
Supersymmetric Gauge Theory
url https://doi.org/10.1007/JHEP01(2025)059
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AT raffaelesavelli nmathcaln2orbisfolds
AT gianlucazoccarato nmathcaln2orbisfolds