Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-05-16
JHEP 0008 (2000) 018
Physics
High Energy Physics
High Energy Physics - Theory
Note added
Scientific paper
10.1088/1126-6708/2000/08/018
We calculate the effective action for small velocity scattering of localized 1-branes and 5-branes. Momentum is allowed to flow in the direction along the 1-branes so that the moduli space has only 1/8 of the full supersymmetry. Relative to the more familiar case with the 1-branes delocalized along the 5-branes, this introduces new moduli associated with the motion of the 1-branes along the 5-branes. We consider in detail the moduli space metric for the associated two body problem. Even for motion transverse to the 5-brane, our results differ substantially from the delocalized case. However, this difference only appears when both the 1-brane charge and the momentum charge are localized. Despite the fact that, in a certain sense, 1-branes spontaneously delocalize near a 5-brane horizon, the moduli space metric in this limit continues to differ from the delocalized result. This fact may be of use in developing a new description of the associated BPS bound states. The new terms depend on the torus size $L$ in such a way that they give a finite contribution in the $L \to \infty$ limit.
Marolf Donald
Surya Sumati
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