Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-03-26
JHEP 0205 (2002) 042
Physics
High Energy Physics
High Energy Physics - Theory
24 pages, JHEP3.cls, 19 figures. A few references added
Scientific paper
10.1088/1126-6708/2002/05/042
In this paper we present a classification of possible dynamics of closed string moduli within specific toroidal compactifications of Type II string theories due to the NS-NS tadpole terms in the reduced action. They appear as potential terms for the moduli when supersymmetry is broken due to the presence of D-branes. We particularise to specific constructions with two, four and six-dimensional tori, and study the stabilisation of the complex structure moduli at the disk level. We find that, depending on the cycle on the compact space where the brane is wrapped, there are three possible cases: i) there is a solution inside the complex structure moduli space, and the configuration is stable at the critical point, ii) the moduli fields are driven towards the boundary of the moduli space, iii) there is no stable solution at the minimum of the potential and the system decays into a set of branes.
Garcia-Bellido Juan
Rabadan Raul
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