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35 papers · 2 filters
Consistent truncation of d = 11 supergravity on AdS_4 x S^7
Hermann Nicolai, Krzysztof Pilch
We study the system of equations derived twenty five years ago by B. de Wit and the first author [Nucl. Phys. B281 (1987) 211] as conditions for the consistent truncation of eleven…
Supertranslations and Holographic Stress Tensor
Amitabh Virmani
It is well known in the context of four dimensional asymptotically flat spacetimes that the leading order boundary metric must be conformal to unit de Sitter metric when hyperbolic…
Group field theory and simplicial gravity path integrals: A model for Holst-Plebanski gravity
Aristide Baratin, Daniele Oriti
In a recent work, a dual formulation of group field theories as non-commutative quantum field theories has been proposed, providing an exact duality between spin foam models and no…
The Gravity Dual of the Ising Model
Alejandra Castro, Matthias R. Gaberdiel, Thomas Hartman +2
We evaluate the partition function of three dimensional theories of gravity in the quantum regime, where the AdS radius is Planck scale and the central charge is of order one. The…
Higher Spins in D=2+1
Andrea Campoleoni
We give a brief overview of some three-dimensional toy models for higher-spin interactions. We first review the construction of pure higher-spin gauge theories in terms of Chern-Si…
On marginal deformations of (0,2) non-linear sigma models
Ilarion V. Melnikov, Eric Sharpe
An N=1, d=4 supersymmetric compactification of the perturbative heterotic string is described by a d=2 (0,2) superconformal field theory. The first-order marginal deformations of t…