Holographic description of interfaces in 2-d CFTs - Physics

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$1 Ch. 22 â Reflection and Refraction of Light 22.1 The ... - Physics$

Holographic duals of 2d interface theories M. Gutperle UCLA Half-BPS Janus solutions metric factors are regular plot of solution with ψ = 1 2 , θ = 1 2 b =0,k =1,L=1 3 form AST charges q RR = πkL cosh θ cosh ψ, q NS =0 5 form AST charge q F 5 =0
Holographic duals of 2d interface theories M. Gutperle UCLA Half-BPS Janus solutions holographic interpretation: Two combinations of massless scalars e −2Φ f 4 3 and χ − k 2 C K coupling constant of 2d CFT ( α ) blowup mode of orbifold dual to ∆ =2operator O 0 dual to ∆ =2operator T 0 Take different values in the two asymptotic regions φ = φ 0 − + φ 1 −(y)e x + ... for x → −∞ φ = φ 0 + + φ 1 +(y)e −x + ... for x →∞ In the dual 2dim CFT, the operators are added which jump across a 1dim interface: L 1 = L 0 + Θ(x ⊥ )c 1 O 0 + Θ(x ⊥ )c 2 T 0
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Holographic description of interfaces in 2-d CFTs - Physics

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