Probing the universality of topological defect formation in a quantum annealer: Kibble-Zurek mechanism and beyond
Yuki Bando, Yuki Susa, Hiroki Oshiyama, Naokazu Shibata, Masayuki Ohzeki, Fernando Javier Gómez-Ruiz, Daniel A. Lidar, Sei Suzuki, Adolfo del Campo, Hidetoshi Nishimori
Abstract
The authors show that the prediction of the universal Kibble-Zurek mechanism for an open quantum system reproduces the mean number of topological defects generated in a quantum annealer, providing a benchmark for the latter.
Topics & Concepts
QuantumUniversality (dynamical systems)PhysicsTopology (electrical circuits)Quantum systemTheoretical physicsMechanism (biology)Topological degeneracyQuantum mechanicsQuantum phasesOpen quantum systemTopological entropy in physicsStatistical physicsQuantum stateQuantum computerTopological orderRenormalization groupQuantum discordQuantum Computing Algorithms and ArchitectureQuantum many-body systemsQuantum Information and Cryptography