Infinite-randomness criticality in monitored quantum dynamics with static disorder
Aidan Zabalo, Justin H. Wilson, Michael J. Gullans, Romain Vasseur, Sarang Gopalakrishnan, David A. Huse, J. H. Pixley
Abstract
The measurement-induced phase transition (MIPT) represents a critical point connected to quantum information and nonequilibrium statistical physics. However, any quantum code utilizing the MIPT can be affected by noise introduced in device fabrication, appearing as static disorder. Leveraging analytics and large-scale simulations, the authors show that this static noise destabilizes the MIPT towards an infinite-randomness critical point. Their findings reveal the Harris criterion's applicability beyond equilibrium, indicating the relevance of perturbations at this phase transition.
Topics & Concepts
RandomnessQuantum entanglementPhysicsStatistical physicsCritical exponentQuantumCritical point (mathematics)CriticalityQuantum mechanicsExponentQuantum phase transitionPhase transitionMathematicsStatisticsMathematical analysisNuclear physicsLinguisticsPhilosophyQuantum many-body systemsQuantum Computing Algorithms and ArchitectureQuantum Information and Cryptography