Holographic description of interfaces in 2-d CFTs - Physics
Holographic description of interfaces in 2-d CFTs - Physics
Holographic description of interfaces in 2-d CFTs - Physics
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<strong>Holographic</strong> duals <strong>of</strong> 2d <strong>in</strong>terface theories<br />
M. Gutperle UCLA<br />
AdS 3 /CF T 2<br />
Introduction<br />
duality is one <strong>of</strong> the best studied examples <strong>of</strong> AdS/CFT<br />
• Near horizon limit <strong>of</strong> D5/D1 or NS5/F1 bound states (or SL(2,Z)<br />
orbits)<br />
• type IIB solution: AdS 3 × S 3 × K 3 (T 4 ) with self-dual NS-NS or R-R<br />
three form flux<br />
• Vacuum preserves 16 supersymmetries<br />
• CFT: N=(4,4) 2 dimensional SCFT<br />
• Important for entropy count<strong>in</strong>g <strong>of</strong> (near) extremal BH, Hawk<strong>in</strong>g<br />
radiation etc.<br />
• NS-NS vacuum can be described us<strong>in</strong>g standard worldsheet<br />
techniques
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