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 />
Simple deformation <strong>of</strong><br />
Σ is <strong>in</strong>f<strong>in</strong>ite strip<br />
w = x + iy,<br />
x ∈ [−∞, ∞]<br />
y ∈ [0, π]<br />
Half-BPS Janus solutions<br />
H = −iL s<strong>in</strong>h(w + ψ)+c.c.<br />
2 cosh θ +s<strong>in</strong>hθ cosh w<br />
A = ik + ib<br />
s<strong>in</strong>h w<br />
B =<br />
cosh(w + ψ)<br />
ik<br />
cosh ψ s<strong>in</strong>h w<br />
ĥ =<br />
cosh θ − s<strong>in</strong>h θ cosh w<br />
i + c.c.<br />
s<strong>in</strong>h w<br />
AdS 3 × S 3 with RR flux<br />
f 2 → 0<br />
π H → 0<br />
f 1 →∞<br />
H →∞<br />
0 x<br />
f 2 → 0<br />
H → 0<br />
f 1 →∞<br />
H →∞<br />
k, b SL(2,R) transformations<br />
L<br />
size <strong>of</strong> AdS<br />
θ, ψ deformation parameter
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