Holographic Gauge Theories in Background Fields and Surface Operators

Details Holographic Gauge Theories in Background Fields and Surface Operators Holographic Gauge Theories in Background Fields and Surface Operators

2007-10-29

arxiv.org/abs/0710.5170v2

JHEP0712:101,2007

Physics

High Energy Physics

High Energy Physics - Theory

42 pages, harvmac, corrected typos

Scientific paper

10.1088/1126-6708/2007/12/101

We construct a new class of supersymmetric surface operators in N=4 SYM and find the corresponding dual supergravity solutions. We show that the insertion of the surface operator - which is given by a WZW model supported on the surface - appears by integrating out the localized degrees of freedom along the surface which arise microscopically from a D3/D7 brane intersection. Consistency requires constructing N=4 SYM in the D7 supergravity background and not in flat space. This enlarges the class of holographic gauge theories dual to string theory backgrounds to gauge theories in non-trivial supergravity backgrounds. The dual Type IIB supergravity solutions we find reveal - among other features - that the holographic dual gauge theory does indeed live in the D7-brane background.

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