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 />
Multi-Janus solutions<br />
Summary<br />
• Solution with n asymptotic regions has n half spaces glued by an<br />
<strong>in</strong>terface<br />
• Moduli space <strong>of</strong> solutions has dimension 6n-6<br />
• In each asymptotic region there is 3-sphere and NS-NS or R-R flux<br />
(or both)<br />
• Scalar fields take different asymptotic values: Generalization <strong>of</strong> Janus<br />
solution to many asymptotic regions.<br />
• Central charge <strong>of</strong> CFT can be different <strong>in</strong> different asymptotic regions<br />
• No five form charge (no D3 brane flux)<br />
• Many <strong>in</strong>terest<strong>in</strong>g th<strong>in</strong>gs to calculate: <strong>Holographic</strong> calculation <strong>of</strong><br />
correlation functions, <strong>in</strong>terface entropy etc<br />
• Fusion <strong>of</strong> <strong><strong>in</strong>terfaces</strong> <strong>in</strong> holographic dual ?<br />
• Application to physical systems
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