Outputs (50)

Higher form symmetries of Argyres-Douglas theories (2020)
Journal Article
Del Zotto, M., Etxebarria, I. G., & Hosseini, S. S. (2020). Higher form symmetries of Argyres-Douglas theories. Journal of High Energy Physics, 2020(10), Article 056. https://doi.org/10.1007/jhep10%282020%29056

We determine the structure of 1-form symmetries for all 4d N = 2 theories that have a geometric engineering in terms of type IIB string theory on isolated hypersurface singularities. This is a large class of models, that includes Argyres-Douglas theo... Read More about Higher form symmetries of Argyres-Douglas theories.

IIB flux non-commutativity and the global structure of field theories (2019)
Journal Article
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

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 o... Read More about IIB flux non-commutativity and the global structure of field theories.

Dai-Freed anomalies in particle physics (2019)
Journal Article
García-Etxebarria, I., & Montero, M. (2019). Dai-Freed anomalies in particle physics. Journal of High Energy Physics, 2019(8), Article 3. https://doi.org/10.1007/jhep08%282019%29003

Anomalies can be elegantly analyzed by means of the Dai-Freed theorem. In this framework it is natural to consider a refinement of traditional anomaly cancellation conditions, which sometimes leads to nontrivial extra constraints in the fermion spect... Read More about Dai-Freed anomalies in particle physics.

A note on non-flat points in the SU(5) × U(1)PQ F-theory model (2019)
Journal Article
Achmed-Zade, I., García-Etxebarria, I., & Mayrhofer, C. (2019). A note on non-flat points in the SU(5) × U(1)PQ F-theory model. Journal of High Energy Physics, 2019(5), Article 13. https://doi.org/10.1007/jhep05%282019%29013

Non-flat fibrations often appear in F-theory GUT models, and their interpretation is still somewhat mysterious. In this note we explore this issue in a model of particular phenomenological interest, the global SU(5) × U(1) Peccei-Quinn F-theory model... Read More about A note on non-flat points in the SU(5) × U(1)PQ F-theory model.

2d orbifolds with exotic supersymmetry (2018)
Journal Article
Florakis, I., García-Etxebarria, I., Lust, D., & Regalado, D. (2018). 2d orbifolds with exotic supersymmetry. Journal of High Energy Physics, 02, Article 146. https://doi.org/10.1007/jhep02%282018%29146

We analyse various two dimensional theories arising from compactification of type II and heterotic string theory on asymmetric orbifolds. We find extra supersymmetry generators arising from twisted sectors, giving rise to exotic supersymmetry algebra... Read More about 2d orbifolds with exotic supersymmetry.

Exceptional N=3 theories (2017)
Journal Article
García-Etxebarria, I., & Regalado, D. (2017). Exceptional N=3 theories. Journal of High Energy Physics, 12, Article 042. https://doi.org/10.1007/jhep12%282017%29042

We present a new construction of four dimensional N = 3 theories, given by M5 branes wrapping a T 2 in an M-theory U-fold background. The resulting setup generalizes the one used in the usual class S construction of four dimensional theories by using... Read More about Exceptional N=3 theories.

8d gauge anomalies and the topological Green-Schwarz mechanism (2017)
Journal Article
García-Etxebarria, I., Hayashi, H., Ohmori, K., Tachikawa, Y., & Yonekura, K. (2017). 8d gauge anomalies and the topological Green-Schwarz mechanism. Journal of High Energy Physics, 2017(11), Article 177. https://doi.org/10.1007/jhep11%282017%29177

String theory provides us with 8d supersymmetric gauge theory with gauge algebras su(N), so(2N), sp(N), e6, e7 and e8, but no construction for so(2N+1), f4 and g2 is known. In this paper, we show that the theories for f4 and so(2N+1) have a global ga... Read More about 8d gauge anomalies and the topological Green-Schwarz mechanism.

Global Orientifolded Quivers with Inflation (2017)
Journal Article
Cicoli, M., García-Etxebarria, I., Mayrhofer, C., Quevedo, F., Shukla, P., & Valandro, R. (2017). Global Orientifolded Quivers with Inflation. Journal of High Energy Physics, 11, Article 134. https://doi.org/10.1007/jhep11%282017%29134

We describe global embeddings of fractional D3 branes at orientifolded singularities in type IIB flux compactifications. We present an explicit Calabi-Yau example where the chiral visible sector lives on a local orientifolded quiver while non-perturb... Read More about Global Orientifolded Quivers with Inflation.

E6 Yukawa couplings in F-theory as D-brane instanton effects (2017)
Journal Article
Collinucci, A., & García-Etxebarria, I. (2017). E6 Yukawa couplings in F-theory as D-brane instanton effects. Journal of High Energy Physics, 03, Article 155. https://doi.org/10.1007/jhep03%282017%29155

At weak coupling the neighborhood of a E6 Yukawa point in SU(5) GUT F-theory models is described by a non-resolvable orientifold of the conifold. We explicitly show, first directly in IIB and then via a mirror symmetry argument, that in this limit th... Read More about E6 Yukawa couplings in F-theory as D-brane instanton effects.

S-duality in N=1 orientifold SCFTs (2017)
Journal Article
García-Etxebarria, I., & Heidenreich, B. (2017). S-duality in N=1 orientifold SCFTs. Fortschritte der Physik, 65(3-4), https://doi.org/10.1002/prop.201700013

We present a general solution to the problem of determining all S-dual descriptions for a specific (but very rich) class of urn:x-wiley:00158208:media:prop201700013:prop201700013-math-0003 SCFTs. These SCFTs are indexed by decorated toric diagrams, a... Read More about S-duality in N=1 orientifold SCFTs.