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No Dynamics in the Extremal Kerr Throat
Aaron J. Amsel, Gary T. Horowitz, Donald Marolf +1
Motivated by the Kerr/CFT conjecture, we explore solutions of vacuum general relativity whose asymptotic behavior agrees with that of the extremal Kerr throat, sometimes called the…
Setting the boundary free in AdS/CFT
Geoffrey Compère, Don Marolf
We describe a new class of boundary conditions for AdS_{d+1} under which the boundary metric becomes a dynamical field. The key technical point is to show that contributions from b…
Reversing Renormalization-Group Flows with AdS/CFT
Donald Marolf, Simon F. Ross
For scalar fields in AdS with masses slightly above the Breitenlohner-Freedman bound, appropriate non-local boundary conditions can define a unitary theory. Such boundary condition…
Quantum geometry and gravitational entropy
Vijay Balasubramanian, Bartlomiej Czech, Donald Marolf +2
Most quantum states have wavefunctions that are widely spread over the accessible Hilbert space and hence do not have a good description in terms of a single classical geometry. In…