Abstract
We report on progress towards the construction of SM-like gauge theories on the world-volume of D-branes at a Calabi-Yau singularity. In particular, we work out the topological conditions on the embedding of the singularity inside a compact CY threefold, that select hypercharge as the only light U(1) gauge factor. We apply this insight to the proposed open string realization of the SM of hep-th/0508089, based on a D3-brane at a dP8 singularity, and present a geometric construction of a compact Calabi-Yau threefold with all the required topological properties.
Original language | English (US) |
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Article number | 107 |
Journal | Journal of High Energy Physics |
Volume | 2007 |
Issue number | 1 |
DOIs | |
State | Published - Jan 1 2007 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
Keywords
- D-branes
- Intersecting branes models
- Superstring vacua