Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-02-13
Fortsch.Phys.55:491-518,2007
Physics
High Energy Physics
High Energy Physics - Theory
Using w-art.cls, 27 pages, 6 figures. Based on a talk given at the RTN `Constituents, Fundamental Forces and Symmetries of the
Scientific paper
10.1002/prop.200610381
The state of the art in D-brane model building is briefly reviewed, focusing on recent achievements in the construction of D=4 N = 1 type II string vacua with semi-realistic gauge sectors. Such progress relies on a better understanding of the spectrum of BPS D-branes, the effective field theory obtained from them and the explicit construction of vacua. We first consider D-branes in standard Calabi-Yau compactifications, and then the more involved case of compactifications with fluxes. We discuss how the non-trivial interplay between D-branes and fluxes modifies the previous model-building rules, as well as provides new possibilities to connect string theory to particle physics.
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