Model building with the non-supersymmetric heterotic SO(16)×SO(16) string

4th Symposium on Prospects in the Physics of Discrete Symmetries

Nibbelink, Stefan Groot^1

Arnold Sommerfeld Center for Theoretical Physics, Ludwig-Maximilians-Universität München, München

80333, Germany^1

关键词: Blow-up;    Break down;    Building techniques;    Leading orders;    Model search;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/631/1/012077/pdf
DOI  :  10.1088/1742-6596/631/1/012077

来源: IOP

【 摘 要 】

In this talk we review recent investigations [1] of the non-supersymmetric heterotic SO(16)×SO(16) string on orbifolds and smooth Calabi-Yaus. Using such supersymmetry preserving backgrounds allows one to re-employ commonly known model building techniques. We will argue that tachyons do not appear on smooth Calabi-Yaus to leading order in α' and gs. Twisted tachyons may arise on singular orbifolds, where some of these approximations break down. However, they get lifted in full blow-up. Finally, we show that model searches is viable by identifying over 12,000 of SM-like models on various orbifold geometries.