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Peculiar properties of a charged dilatonic black hole in AdS_5
Steven S. Gubser, Fabio D. Rocha
We study a charged dilatonic black hole in AdS_5, derived from a lagrangian involving a gauge field whose kinetic term is modified by the exponential of a neutral scalar. This blac…
Normalizable fermion modes in a holographic superconductor
Steven S. Gubser, Fabio D. Rocha, Pedro Talavera
We consider fermions in a zero-temperature superconducting anti-de Sitter domain wall solution and find continuous bands of normal modes. These bands can be either partially filled…
Pointlike probes of superstring-theoretic superfluids
Steven S. Gubser, Amos Yarom
In analogy with an experimental setup used in liquid helium, we use a pointlike probe to study superfluids which have a gravity dual. In the gravity description, the probe is repre…
Superconductors from Superstrings
Steven S. Gubser, Christopher P. Herzog, Silviu S. Pufu +1
We establish that in a large class of strongly coupled 3+1 dimensional N=1 quiver conformal field theories with gravity duals, adding a chemical potential for the R-charge leads to…
Ground states of holographic superconductors
Steven S. Gubser, Abhinav Nellore
We investigate the ground states of the Abelian Higgs model in AdS_4 with various choices of parameters, and with no deformations in the ultraviolet other than a chemical potential…
Quantum critical superconductors in string theory and M-theory
Steven S. Gubser, Silviu S. Pufu, Fabio D. Rocha
We construct zero-temperature solutions of supergravity theories in five and four dimensions which interpolate between two copies of anti-de Sitter space, one of which preserves an…
Using string theory to study the quark-gluon plasma: progress and perils
Steven S. Gubser
I outline some of the progress over the past few years in applying ideas from string theory to study the quark-gluon plasma, including the computation of the drag force on heavy qu…
Off-center collisions in AdS_5 with applications to multiplicity estimates in heavy-ion collisions
Steven S. Gubser, Silviu S. Pufu, Amos Yarom
We study the trapped surface produced by an off-center collision of light-like, point-sourced shock waves in anti-de Sitter space. We find an analytic expression for the shape of t…
Energy loss in a strongly coupled thermal medium and the gauge-string duality
Steven S. Gubser, Silviu S. Pufu, Fabio D. Rocha +1
We review methods developed in the gauge-string duality to treat energy loss by energetic probes of a strongly coupled thermal medium. After introducing the black hole description…
From gauge-string duality to strong interactions: a Pedestrian's Guide
Steven S. Gubser, Andreas Karch
We survey recent progress in understanding the relation of string theory to quantum chromodynamics, focusing on holographic models of gauge theories similar to QCD and applications…