Five-Brane Configurations without a Strong Coupling Regime

Details Five-Brane Configurations without a Strong Coupling Regime Five-Brane Configurations without a Strong Coupling Regime

2002-04-24

arxiv.org/abs/hep-th/0204201v3

Nucl.Phys.B652:165-195,2003

Physics

High Energy Physics

High Energy Physics - Theory

LateX, 32 pages, 4 figures; (v2) A reference added

Scientific paper

10.1016/S0550-3213(02)01139-2

Five-brane distributions with no strong coupling problems and high symmetry are studied. The simplest configuration corresponds to a spherical shell of branes with S^3 geometry and symmetry. The equations of motions with delta-function sources are carefully solved in such backgrounds. Various other brane distributions with sixteen unbroken supercharges are described. They are associated to exact world-sheet superconformal field theories with domain-walls in space-time. We study the equations of gravitational fluctuations, find normalizable modes of bulk 6-d gravitons and confirm the existence of a mass gap. We also study the moduli of the configurations and derive their (normalizable) wave-functions. We use our results to calculate in a controllable fashion using holography, the two-point function of the stress tensor of little string theory in these vacua.

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