Building the Standard Model on a D3-brane

Details Building the Standard Model on a D3-brane Building the Standard Model on a D3-brane

2005-08-12

arxiv.org/abs/hep-th/0508089v2

JHEP 0701:106,2007

Physics

High Energy Physics

High Energy Physics - Theory

37 pages, 9 figures

Scientific paper

10.1088/1126-6708/2007/01/106

We motivate and apply a bottom-up approach to string phenomenology, which aims to construct the Standard Model as a decoupled world-volume theory on a D3-brane. As a concrete proposal for such a construction, we consider a single probe D3-brane on a partial resolution of a del Pezzo 8 singularity. The resulting world-volume theory reproduces the field content and interactions of the MSSM, however with a somewhat extended Higgs sector. An attractive feature of our approach is that the gauge and Yukawa couplings are dual to non-dynamical closed string modes, and are therefore tunable parameters.

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