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 />
Many boundaries<br />
Multi-Janus solution can be generalized<br />
M. Chiodaroli, E. D’Hoker and<br />
M. Gutperle arXiv:0912.4679<br />
• Riemann surface with h boundaries (and g-handles)<br />
• F<strong>in</strong>d solutions with nonzero five brane charge<br />
• Degenerations <strong>of</strong> Riemann surfaces: what do they mean for<br />
<strong>in</strong>terface theory ?<br />
Simplest example: annulus with two poles on the same boundary<br />
S 3<br />
x H,1 x H,2<br />
C<br />
Two nontrivial three cycles and charges<br />
˜K is not s<strong>in</strong>gle valued around C: five form<br />
charge does not vanish<br />
S 3
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