Supergravity and "New" Six-Dimensional Gauge Theories

Details Supergravity and "New" Six-Dimensional Gauge Theories Supergravity and "New" Six-Dimensional Gauge Theories

2000-08-22

arxiv.org/abs/hep-th/0008172v2

Phys.Lett.B495:418-426,2000

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, latex; numerical coefficients fixed, conclusions unchanged, ref. added

Scientific paper

10.1016/S0370-2693(00)01266-1

In the first part of this letter, we analyse the supergravity dual descriptions of six-dimensional field theories realized on the worldvolume of (p,q) five-branes (OD5 theory). We show that in order for the low-energy gauge theory description to be valid the theta parameter must be rational. Irrational values of theta require a strongly coupled string description of the system at low-energy. We discuss the phase structure and deduce some properties of these theories. In the second part we construct and study the supergravity description of NS5-branes with two electric RR field, which provides a dual description of six-dimensional theories with several light open D-brane excitations.

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