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 />
Local solution <strong>of</strong> BPS-equations<br />
Susy variation <strong>of</strong> dilat<strong>in</strong>o and gravit<strong>in</strong>o vanishes for unbroken susy<br />
δλ = i(Γ · P )B −1 ε ∗ − i (Γ · G)ε<br />
24<br />
δψ M = D µ ε + i<br />
480 (Γ · F (5))Γ µ ε − 1<br />
96 (Γ µ(Γ · G) + 2(Γ · G)Γ µ ) B −1 ε ∗<br />
Expand<br />
<strong>in</strong> terms <strong>of</strong> Kill<strong>in</strong>g sp<strong>in</strong>ors on AdS 2 × S 2 × K 3<br />
= η 1 ,η 2<br />
χ η1 ,η 2 ,η 3<br />
⊗ ξ η1 ,η 2 ,η 3<br />
2 dim sp<strong>in</strong>ors on Σ<br />
Use discrete symmetries <strong>of</strong> the equation to reduce BPS equations to a<br />
s<strong>in</strong>gle 2 dim sp<strong>in</strong>or ξ<br />
Solution <strong>of</strong> reduced BPS equations give 8 unbroken susys