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Optical conductivity with holographic lattices

- G. Horowitz, J. E. Santos, D. Tong
- Physics
- 2 April 2012

A bstractWe add a gravitational background lattice to the simplest holographic model of matter at finite density and calculate the optical conductivity. With the lattice, the zero frequency delta… Expand

260 21- PDF

On the Nonlinear Stability of Asymptotically Anti-de Sitter Solutions

- Ó. J. Dias, G. Horowitz, D. Marolf, J. E. Santos
- Physics
- 28 August 2012

Despite the recent evidence that anti-de Sitter (AdS) spacetime is nonlinearly unstable, we argue that many asymptotically AdS solutions are nonlinearly stable. This includes geons, boson stars and… Expand

141 15- PDF

Kerr-CFT and gravitational perturbations

- Ó. J. Dias, H. Reall, J. E. Santos
- Physics
- 12 June 2009

Motivated by the Kerr-CFT conjecture, we investigate perturbations of the near-horizon extreme Kerr spacetime. The Teukolsky equation for a massless field of arbitrary spin is solved. Solutions fall… Expand

135 14- PDF

On three-point correlation functions in the gauge/gravity duality

- M. Costa, R. Monteiro, J. E. Santos, Dimitrios Zoakos
- Physics
- 5 August 2010

We study the effect of marginal and irrelevant deformations on the renormalization of operators near a CFT fixed point. New divergences in a given operator are determined by its OPE with the operator… Expand

145 10- PDF

Gravitational Turbulent Instability of Anti-de Sitter Space

- Ó. J. Dias, G. Horowitz, J. E. Santos
- Physics
- 8 September 2011

Bizon and Rostworowski have recently suggested that anti-de Sitter spacetime might be nonlinearly unstable to transfering energy to smaller and smaller scales and eventually forming a small black… Expand

160 9- PDF

Black holes with only one Killing field

- Ó. J. Dias, G. Horowitz, J. E. Santos
- Physics
- 20 May 2011

We present the first examples of black holes with only one Killing field. The solutions describe five dimensional AdS black holes with scalar hair. The black holes are neither stationary nor… Expand

130 9- PDF

Further evidence for lattice-induced scaling

- G. Horowitz, J. E. Santos, D. Tong
- Physics
- 5 September 2012

A bstractWe continue our study of holographic transport in the presence of a background lattice. We recently found evidence that the presence of a lattice induces a new intermediate scaling regime in… Expand

158 8- PDF

Disordered horizons: holography of randomly disordered fixed points.

- S. Hartnoll, J. E. Santos
- Physics, Medicine
- Physical review letters
- 4 February 2014

We deform conformal field theories with classical gravity duals by marginally relevant random disorder. We show that the disorder generates a flow to IR fixed points with a finite amount of disorder.… Expand

54 8- PDF

Hairy black holes and solitons in global AdS5

- Ó. J. Dias, P. Figueras, Shiraz Minwalla, P. Mitra, R. Monteiro, J. E. Santos
- Physics
- 19 December 2011

A bstractWe use a mix of analytic and numerical methods to exhaustively study a class of asymptotically global AdS solitons and hairy black hole solutions in negative cosmological constant Einstein… Expand

81 8- PDF

Instability of supersymmetric microstate geometries

- Felicity C. Eperon, H. Reall, J. E. Santos
- Physics
- 22 July 2016

A bstractWe investigate the classical stability of supersymmetric, asymptotically flat, microstate geometries with five non-compact dimensions. Such geometries admit an “evanescent ergosurface”: a… Expand

50 8- PDF

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