A boundary-condition analysis of extended conformal gravity in 3D yields a new nonlinear W(2,2,2,2,1,1,1) asymptotic symmetry algebra whose central charges are fixed by the Virasoro central charge.
Holography of New Conformal Higher Spin Gravities in 3d
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We study the holography of the new conformal higher spin theories imposing general boundary conditions and the near horizon boundary conditions. General boundary conditions lead to the asymptotic symmetry algebra which is a loop algebra of the underlying gauge algebra. The near horizon boundary conditions give u(1) currents at the boundary. For each of the boundary conditions we consider an example of conformal graviton, and its combination with a vector, and a spin-3 field, respectively. The near horizon boundary conditions lead to three dimensional Banados-Teitelboim- Zanelli (BTZ)-like black hole which can have up to four real eigenvalues, Lobachevsky solution, and to generalisation of that BTZ-like solution.
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Enhanced Conformal $BMS_3$ Symmetries
A boundary-condition analysis of extended conformal gravity in 3D yields a new nonlinear W(2,2,2,2,1,1,1) asymptotic symmetry algebra whose central charges are fixed by the Virasoro central charge.