Phases of holographic interfaces

We compute the phase diagram of simplest holographic bottom-up model conformal interfaces. The consists a thin domain wall between three-dimensional Anti-de Sitter (AdS) vacua, anchored on boundary circle. distinguish five phases depending existence black hole, intersection its horizon with wall, and fate inertial observers. show that, like Hawking-Page transition, capture by is also first order transition comment field-theory interpretation. static solutions domain-wall equations include gravitational avatars Faraday cage, holes negative specific heat, an intriguing phenomenon suspended vacuum bubbles corresponding to exotic interface/anti-interface fusion. Part our analysis overlaps recent work Simidzija Van Raamsdonk but interpretation different.