12 citations · 20 across the 7 of their papers we have counts for
4 papers · 1 filter
Strongly Coupled PT-Symmetric Models in Holography
Daniel Arean, David Garcia-Fariña, Karl Landsteiner
Non-Hermitian quantum field theories are a promising tool to study open quantum systems. These theories preserve unitarity if PT-symmetry is respected, and in that case an equivale…
Hydrodynamic Modes of Holographic Weyl Semimetals
Nishal Rai, Karl Landsteiner
We study the quasinormal modes of a holographic model of a Weyl semimetal. The model features quantum phase transition between a topological phase and a trivial phase. We put parti…
Pseudospectra of complex momentum modes
David Garcia-Fariña, Karl Landsteiner, Pau G. Romeu +1
We initiate the study of stability and pseudospectra of complex momentum modes of asymptotically anti-de Sitter black holes. Similar to quasinormal modes, these can be defined as t…
Pseudospectra of Quasinormal Modes and Holography
Daniel Arean, David Garcia-Fariña, Karl Landsteiner
The holographic duality (also known as AdS/CFT correspondence or gauge/gravity duality) postulates that strongly coupled quantum field theories can be described in a dual way in as…