514 citations · 652 across the 6 of their papers we have counts for
13 papers · 1 filter
Real-time response in AdS/CFT with application to spinors
Nabil Iqbal, Hong Liu
We discuss a simple derivation of the real-time AdS/CFT prescription as an analytic continuation of the corresponding problem in Euclidean signature. We then extend the formalism t…
Condensed matter physics of a strongly coupled gauge theory with quarks: some novel features of the phase diagram
Thomas Faulkner, Hong Liu
We revisit the phase diagram of the N=4 SU(N_c) super-Yang-Mills theory coupled to N_f fundamental "quarks" at strong coupling using the gauge-gravity correspondence. We show that…
Universality of the hydrodynamic limit in AdS/CFT and the membrane paradigm
Nabil Iqbal, Hong Liu
We show that at the level of linear response the low frequency limit of a strongly coupled field theory at finite temperature is determined by the horizon geometry of its gravity d…
Meson widths from string worldsheet instantons
Thomas Faulkner, Hong Liu
We show that open strings living on a D-brane which lies outside an AdS black hole can tunnel into the black hole through worldsheet instantons. These instantons have a simple inte…
Viscosity Bound and Causality Violation
Mauro Brigante, Hong Liu, Robert C. Myers +2
In recent work we showed that, for a class of conformal field theories (CFT) with Gauss-Bonnet gravity dual, the shear viscosity to entropy density ratio, , could violate the…
A limiting velocity for quarkonium propagation in a strongly coupled plasma via AdS/CFT
Qudsia J. Ejaz, Thomas Faulkner, Hong Liu +2
We study the dispersion relations of mesons in a particular hot strongly coupled supersymmetric gauge theory plasma. We find that at large momentum k the dispersion relations becom…