2012/03/31 by Julian Sonner, Andrew G. Green, A. G. Green · 3 citations
Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Black Holes and Theoretical Physics #Classical mechanics #Cosmology and Gravitation Theories #Gravitational wave #Hawking radiation #Non-equilibrium thermodynamics #Physics #Quantum #Quantum electrodynamics #Quantum gravity #Quantum mechanics #Scaling #Statistical physics #Thermal equilibrium #Universality (dynamical systems) #cond-mat.str-el #hep-th
paper · pdf · doi:10.1103/physrevlett.109.091601
revised version to appear in PRL, 5 pages
arxiv created 2012/08/20 · openalex publication_date 2012/08/27 · arxiv updated 2015/06/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The dynamical scaling of quantum critical systems in thermal equilibrium may be inherited in the driven steady state, leading to universal out-of-equilibrium behavior. This attractive notion has been demonstrated in just a few cases. We demonstrate how holography-a mapping between the quantum critical system and a gravity dual-provides an illuminating perspective and new results. Nontrivial out-of-equilibrium universality is particularly apparent in current noise, which is dual to Hawking radiation in the gravitational system. We calculate this in a two-dimensional system driven by a strong in-plane electric field and deduce a universal scaling function interpolating between previously established equilibrium and far-from-equilibrium current noise. Since this applies at all fields, out-of-equilibrium experiments no longer require very high fields for comparison with theory.