Speeding up the spread of quantum information in chaotic systems
Stefan Eccles, Willy Fischler, Tyler Guglielmo, Juan F. Pedraza, Sarah Racz
Abstract
A bstract We explore the effect of introducing mild nonlocality into otherwise local, chaotic quantum systems, on the rate of information spreading and associated rates of entanglement generation and operator growth. We consider various forms of nonlocality, both in 1-dimensional spin chain models and in holographic gauge theories, comparing the phenomenology of each. Generically, increasing the level of nonlocality increases the rate of information spreading, but in lattice models we find instances where these rates are slightly suppressed.
Topics & Concepts
Quantum nonlocalityQuantum entanglementChaoticPhenomenology (philosophy)QuantumStatistical physicsLattice (music)Theoretical physicsPhysicsQuantum mechanicsMathematicsComputer sciencePhilosophyEpistemologyAcousticsArtificial intelligenceQuantum many-body systemsBlack Holes and Theoretical PhysicsQuantum Chromodynamics and Particle Interactions