Iñaki García Etxebarria inaki.garcia-etxebarria@durham.ac.uk
Professor
IIB flux non-commutativity and the global structure of field theories
García Etxebarria, Iñaki; Heidenreich, Ben; Regalado, Diego
Authors
Ben Heidenreich
Diego Regalado
Abstract
We discuss the origin of the choice of global structure for six dimensional (2, 0) theories and their compactifications in terms of their realization from IIB string theory on ALE spaces. We find that the ambiguity in the choice of global structure on the field theory side can be traced back to a subtle effect that needs to be taken into account when specifying boundary conditions at infinity in the IIB orbifold, namely the known non-commutativity of RR fluxes in spaces with torsion. As an example, we show how the classification of N = 4 theories by Aharony, Seiberg and Tachikawa can be understood in terms of choices of boundary conditions for RR fields in IIB. Along the way we encounter a formula for the fractional instanton number of N = 4 ADE theories in terms of the torsional linking pairing for rational homology spheres. We also consider six-dimensional (1, 0) theories, clarifying the rules for determining commutators of flux operators for discrete 2-form symmetries. Finally, we analyze the issue of global structure for four dimensional theories in the presence of duality defects.
Citation
García Etxebarria, I., Heidenreich, B., & Regalado, D. (2019). IIB flux non-commutativity and the global structure of field theories. Journal of High Energy Physics, 2019(10), Article 169. https://doi.org/10.1007/jhep10%282019%29169
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 25, 2019 |
Online Publication Date | Oct 15, 2019 |
Publication Date | Oct 31, 2019 |
Deposit Date | Oct 23, 2019 |
Publicly Available Date | Oct 31, 2019 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Electronic ISSN | 1029-8479 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2019 |
Issue | 10 |
Article Number | 169 |
DOI | https://doi.org/10.1007/jhep10%282019%29169 |
Public URL | https://durham-repository.worktribe.com/output/1287009 |
Related Public URLs | https://arxiv.org/abs/1908.08027v2 |
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Copyright Statement
This article is distributed under the terms of the Creative Commons
Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in
any medium, provided the original author(s) and source are credited.
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