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Brownian motion in AdS/CFT
Jan de Boer, Veronika E. Hubeny, Mukund Rangamani +1
We study Brownian motion and the associated Langevin equation in AdS/CFT. The Brownian particle is realized in the bulk spacetime as a probe fundamental string in an asymptotically…
Conformal non-relativistic hydrodynamics from gravity
Mukund Rangamani, Simon F. Ross, D. T. Son +1
We show that the recently constructed holographic duals of conformal non-relativistic theories behave hydrodynamically at long distances, and construct the gravitational dual of fl…
On Universality of Ergoregion Mergers
Henriette Elvang, Pau Figueras, Gary T. Horowitz +2
We study mergers of ergoregions in -dimensional vacuum gravity. At the merger point, where the ergosurfaces bounding each ergoregion just touch, solutions exhibit universal be…
Heating up Galilean holography
Christopher P. Herzog, Mukund Rangamani, Simon F. Ross
We embed a holographic description of a quantum field theory with Galilean conformal invariance in string theory. The key observation is that such field theories may be realized as…
Local Fluid Dynamical Entropy from Gravity
Sayantani Bhattacharyya, Veronika E Hubeny, R. Loganayagam +5
Spacetime geometries dual to arbitrary fluid flows in strongly coupled N=4 super Yang Mills theory have recently been constructed perturbatively in the long wavelength limit. We de…
Extremal vacuum black holes in higher dimensions
Pau Figueras, Hari K Kunduri, James Lucietti +1
We consider extremal black hole solutions to the vacuum Einstein equations in dimensions greater than five. We prove that the near-horizon geometry of any such black hole must poss…