Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-10-27
Nucl.Phys.B754:233-281,2006
Physics
High Energy Physics
High Energy Physics - Theory
50 pages, 3 figures
Scientific paper
10.1016/j.nuclphysb.2006.07.029
We find the evolution of arbitrary excitations on 2-charge supertubes, by mapping the supertube to a string carrying traveling waves. We argue that when the coupling is increased from zero the energy of excitation leaks off to infinity, and when the coupling is increased still further a new set of long lived excitations emerge. We relate the excitations at small and large couplings to excitations in two different phases in the dual CFT. We conjecture a way to distinguish bound states from unbound states among 3-charge BPS geometries; this would identify black hole microstates among the complete set of BPS geometries.
Giusto Stefano
Mathur Samir D.
Srivastava Yogesh K.
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