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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…
A Simple Holographic Model of Nonlinear Conductivity
Gary T. Horowitz, Nabil Iqbal, Jorge E. Santos
We present a simple analytic gravitational solution which describes the holographic dual of a 2+1-dimensional conductor which goes beyond the usual linear response. In particular i…
Entanglement Entropy Near Cosmological Singularities
Netta Engelhardt, Gary T. Horowitz
We investigate the behavior of the entanglement entropy of a confining gauge theory near cosmological singularities using gauge/gravity duality. As expected, the coefficients of th…
General Relativity and the Cuprates
Gary T. Horowitz, Jorge E. Santos
We add a periodic potential to the simplest gravitational model of a superconductor and compute the optical conductivity. In addition to a superfluid component, we find a normal co…