Year: 2026
Type: article
Abstract: A bstract We propose that AdS 3 gravity with conformal boundary conditions is described by coupling the holographic CFT 2 to timelike Liouville theory and deforming by an exactly marginal operator. In this description, the Liouville field controls the finite-cutoff radial wall in the bulk. We check this proposal in the semiclassical limit by matching the sphere and torus partition functions between the bulk and boundary theories. We also show that the Liouville field’s equation of motion gives the bulk Hamiltonian constraint. The strong coupling limit of our theory pushes the bulk description deep inside the interior of black hole geometries. This is also the flat-space limit, and it leads to a duality between 3d flat space and 2d CFT.
Source: Journal of High Energy Physics
Authors: Kuroush Allameh, Edgar Shaghoulian
Institution: University of California, Santa Cruz
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: diamond
Funder: U.S. Department of Energy
Award: G1556041999
OpenAlex ID: W4417079255
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