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arxiv: 1210.0731 · v2 · pith:OELHRTMTnew · submitted 2012-10-02 · ✦ hep-th · gr-qc

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

Glenn Barnich , Andr\'es Gomberoff , Hern\'an A. Gonz\'alez This is my paper
classification ✦ hep-th gr-qc
keywords theoryfieldliouvilletwo-dimensionalasymptoticallyboundarydynamicsflat
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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.

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