233 citations · 471 across the 10 of their papers we have counts for
10 papers
Higher derivative holography and temperature dependence of QGP viscosities
Thomas Apostolidis, Umut Gürsoy, Edwan Préau
Recent Bayesian analyses of heavy ion collision data have established a non-trivial temperature dependence of the shear and bulk viscosity per entropy. Motivated by this, we consid…
Mutual information from modular flow in CFTs
Cesar A. Agon, Horacio Casini, Umut Gürsoy +1
The operator product expansion (OPE) of twist operators in the replica trick framework enables a long-distance expansion of the mutual information (MI) in conformal field theories…
From Feynman graphs to Witten diagrams
Domingo Gallegos, Umut Gürsoy, Natale Zinnato
We investigate the possibility of generalizing Gopakumar's microscopic derivation [1] of Witten diagrams in large N free quantum field theory to interacting theories. For simplicit…
Non-Riemannian gravity actions from double field theory
A. D. Gallegos, U. Gürsoy, S. Verma +1
Non-Riemannian gravitational theories suggest alternative avenues to understand properties of quantum gravity and provide a concrete setting to study condensed matter systems with…
On the interplay between magnetic field and anisotropy in holographic QCD
Umut Gürsoy, Matti Järvinen, Govert Nijs +1
We investigate the combined effects of anisotropy and a magnetic field in strongly interacting gauge theories by the gauge/gravity correspondence. Our main motivation is the quark-…
Holographic spin liquids and Lovelock Chern-Simons gravity
A. D. Gallegos, U. Gürsoy
We explore the role of torsion as source of spin current in strongly interacting conformal fluids using holography. We establish the constitutive relations of the basic hydrodynami…