Slow thermalization of exact quantum many-body scar states under perturbations
Cheng-Ju Lin, Anushya Chandran, Olexei I. Motrunich
Abstract
The authors study the effects of perturbations on the exact quantum many-body scar states. The paper shows that in finite-size numerics the deformed scars survive and can be described by perturbation theory, while the finite-size scaling result suggests their eventual thermalization.
Topics & Concepts
PhysicsScalingQuantumPerturbation (astronomy)ThermalisationQuantum mechanicsClassical mechanicsQuantum systemPerturbation theory (quantum mechanics)Exact solutions in general relativityQuantum electrodynamicsStatistical physicsQuantum fluctuationQuantum entanglementScarsField (mathematics)Quantum stateQuantum many-body systemsTopological Materials and PhenomenaQuantum and electron transport phenomena