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18 papers · 2 filters
Holographic thermalization, quasinormal modes and superradiance in Kerr-AdS
Vitor Cardoso, Oscar J. C. Dias, Gavin S. Hartnett +2
Black holes in anti-de Sitter (AdS) backgrounds play a pivotal role in the gauge/gravity duality where they determine, among other things, the approach to equilibrium of the dual f…
Vortices in holographic superfluids and superconductors as conformal defects
Oscar J. C. Dias, Gary T. Horowitz, Nabil Iqbal +1
We present a detailed study of a single vortex in a holographic symmetry breaking phase. At low energies the system flows to an nontrivial conformal fixed point. Novel vortex physi…
Quantum corrections to extremal black brane solutions
Susanne Barisch-Dick, Gabriel Lopes Cardoso, Michael Haack +1
We discuss quantum corrections to extremal black brane solutions in N=2 U(1) gauged supergravity in four dimensions. We consider modifications due to a certain class of higher-deri…
Holographic collisions in confining theories
Vitor Cardoso, Roberto Emparan, David Mateos +2
We 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 b…
Possible Anderson localization in a holographic superconductor
Hua Bi Zeng
We study the effect of disorder in a holographic superconductor by introducing a quasi-periodic chemical potential. When the condensation of the superconductor is sufficiently smal…
Indefinite theta functions and black hole partition functions
Gabriel Lopes Cardoso, Michele Cirafici, Rogerio Jorge +1
We explore various aspects of supersymmetric black hole partition functions in four-dimensional toroidally compactified heterotic string theory. These functions suffer from diverge…