Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-11-11
Nucl.Phys. B572 (2000) 36-70
Physics
High Energy Physics
High Energy Physics - Theory
45 pages. Latex
Scientific paper
10.1016/S0550-3213(00)00052-3
We show how chiral type I models whose tadpole conditions have no supersymmetric solution can be consistently defined introducing antibranes with non-supersymmetric world volumes. At tree level, the resulting stable non-BPS configurations correspond to tachyon-free spectra, where supersymmetry is broken at the string scale on some (anti)branes but is exact in the bulk, and can be further deformed by the addition of brane-antibrane pairs of the same type. As a result, a scalar potential is generated, that can stabilize some radii of the compact space. This setting has the novel virtue of linking supersymmetry breaking to the consistency requirements of an underlying fundamental theory.
Angelantonj Carlo
Antoniadis Ignatios
D'Appollonio Giuseppe
Dudas Emilian
Sagnotti Augusto
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