Holographic description of interfaces in 2-d CFTs - Physics

Holographic duals of 2d interface theories
M. Gutperle UCLA
Half-BPS Janus solutions
axion and
dilaton:
e 4Φ = k 4 cosh2 (x + ψ)sech 2 ψ + cosh 2 θ − sech 2 ψ sin 2 y
cosh x − cos y tanh θ
2
χ = − k2
2
sinh 2θ sinh x − 2 tanh ψ cos y
cosh x cosh θ − cos y sinh θ
− b
Plot for ψ = 1 , θ =0,b=0,k =1L =1 dilaton jumps !
2