Counting associatives in compact G2 orbifolds

被引：0
作者：
Bobby Samir Acharya
Andreas P. Braun
Eirik Eik Svanes
Roberto Valandro
机构：
[1] Kings College London,Department of Physics
[2] Abdus Salam International Centre for Theoretical Physics,Mathematical Institute
[3] University of Oxford,Dipartimento di Fisica
[4] Universita di Trieste,undefined
[5] INFN,undefined
[6] Sezione di Trieste,undefined
来源：
Journal of High Energy Physics | / 2019卷
关键词：
String Duality; F-Theory; M-Theory; D-branes;
D O I：
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学科分类号：
摘要：
We describe a class of compact G2 orbifolds constructed from non-symplectic involutions of K3 surfaces. Within this class, we identify a model for which there are infinitely many associative submanifolds contributing to the effective superpotential of M-theory compactifications. Under a chain of dualities, these can be mapped to F-theory on a Calabi-Yau fourfold, and we find that they are dual to an example studied by Donagi, Grassi and Witten. Finally, we give two different descriptions of our main example and the associative submanifolds as a twisted connected sum.
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