Three-dimensional Bondi-Metzner-Sachs invariant two-dimensional field theories as the flat limit of Liouville theory

Abstract

In the gravitational context, Liouville theory is the two-dimensional conformal field theory that controls the boundary dynamics of asymptotically AdS_3 spacetimes at the classical level. By taking a suitable limit of the coupling constants of the Hamiltonian formulation of Liouville, we construct and analyze a BMS_3 invariant two-dimensional field theory that is likely to control the boundary dynamics at null infinity of three dimensional asymptotically flat gravity.

14 pages, no figures, Latex file; v2 Title has been changed, minimal changes and corrections

References in corpus (2)

• Holography of 3d Flat Cosmological Horizons
• Entropy of three-dimensional asymptotically flat cosmological solutions

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