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hep-th2025
Holography of quarter-BPS AdS bubbles
Bogdan Ganchev, Anthony Houppe
We consider the quarter-BPS sector of the AdS/CFT duality, and provide a precise matching between specific CFT states and supergravity geometries beyond the linearized appr…
gr-qc2025★ 3 cited
Gravitational Atoms from Topological Stars
Ibrahima Bah, Emanuele Berti, Bogdan Ganchev +2
We study the bound states of a massive scalar field around a topological star, and show that these are strictly normal modes. This yields a genuine gravitational atom, sharply dist…