String Junctions and Bound States of Intersecting Branes
arXiv:hep-th/9812142 · doi:10.1103/PhysRevD.60.026005
Abstract
We study four-dimensional black hole configurations which result from wrapping M5-branes on a Calabi-Yau manifold, as well as U-dual realizations. Our aim is to understand the microscopic degrees of freedom responsible for the existence of bound states of multiple branes. The details depend on the chosen U-frame; in some cases, they are massless string junctions. We also identify a perturbative description in which these states correspond to twisted strings of intersecting D3-branes at an orbifold singularity. In each case, these are the preponderant states of the spacetime infrared conformal field theory and account for the entropy of the blackhole.
14 pages; 2 figures; uses latex with epsf and hyperref packages
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