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Analytic study of small scale structure on cosmic strings

- J. Polchinski, Jorge V. Rocha
- Physics
- 19 June 2006

The properties of string networks at scales well below the horizon are poorly understood, but they enter critically into many observables. We argue that in some regimes, stretching will be the only… Expand

65 3- PDF

Scaling solution for small cosmic string loops.

- Jorge V. Rocha
- Physics, Medicine
- Physical review letters
- 20 September 2007

The equation governing the time evolution of the number density of loops in a cosmic string network is a detailed balance determined by energy conservation. We solve this equation with the inclusion… Expand

27 2- PDF

Integrability of Five Dimensional Minimal Supergravity and Charged Rotating Black Holes

- P. Figueras, Ella Jamsin, Jorge V. Rocha, Amitabh Virmani
- Physics
- 16 December 2009

We explore the integrability of five-dimensional minimal supergravity in the presence of three commuting Killing vectors. We argue that to see the integrability structure of the theory one… Expand

42 2- PDF

Cosmic String Loops, Large and Small

- F. Dubath, J. Polchinski, Jorge V. Rocha
- Physics
- 7 November 2007

We extend our earlier model of the small-scale structure of cosmic string networks through an improved treatment of the separation of long and short scales. We find that the production of small loops… Expand

52 1- PDF

Cosmic string structure at the gravitational radiation scale

- J. Polchinski, Jorge V. Rocha
- Physics
- 9 February 2007

We use our model of the small scale structure on cosmic strings to develop further the result of Siemens, Olum, and Vilenkin that the gravitational radiation length scale on cosmic strings is smaller… Expand

62 1- PDF

Gravitational perturbation of the BTZ black hole induced by test particles and weak cosmic censorship in AdS spacetime

- Jorge V. Rocha, V. Cardoso
- Physics
- 21 February 2011

We analyze the gravitational perturbations induced by particles falling into a three dimensional, asymptotically AdS black hole geometry. More specifically, we solve the linearized perturbation… Expand

53 1- PDF

Radiating black holes in Einstein-Maxwell-dilaton theory and cosmic censorship violation

- P. Aniceto, P. Pani, Jorge V. Rocha
- Physics
- 28 December 2015

A bstractWe construct exact, time-dependent, black hole solutions of Einstein-Maxwell-dilaton theory with arbitrary dilaton coupling, a. For a = 1 this theory arises as the four-dimensional… Expand

14 1- PDF

Evaporation of large black holes in AdS: coupling to the evaporon

- Jorge V. Rocha
- Physics
- 1 April 2008

Large black holes in an asymptotically AdS spacetime have a dual de- scription in terms of approximately thermal states in the boundary CFT. The reect- ing boundary conditions of AdS prevent such… Expand

35 1- PDF

Evaporation of large black holes in AdS

- Jorge V. Rocha
- Physics
- 1 April 2010

The AdS/CFT correspondence offers a new perspective on the long-standing black hole information paradox. However, to be able to use the available gauge/gravity machinery one is forced to consider… Expand

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Holographic collisions in confining theories

- V. Cardoso, R. Emparan, D. Mateos, P. Pani, Jorge V. Rocha
- Physics
- 28 October 2013

A bstractWe study the gravitational dual of a high-energy collision in a confining gauge theory. We consider a linearized approach in which two point particles traveling in an AdS-soliton background… Expand

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