Journal
ANNALEN DER PHYSIK
Volume 529, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/andp.201600284
Keywords
quantum chaos; nonequilibrium quantum dynamics; power-law decays; many-body localization; disordered spin chains
Categories
Funding
- CONACyT
- PRODEP-SEP
- Proyectos VIEP-BUAP, Mexico
- NSF [DMR-1147430, DMR-1603418]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1603418] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1147430] Funding Source: National Science Foundation
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This work supports the existence of extended nonergodic states in the intermediate region between the chaotic (thermal) and the many-body localized phases. These states are identified through an extensive analysis of static and dynamical properties of a finite one-dimensional system with onsite random disorder. The long-time dynamics is particularly sensitive to changes in the spectrum and in the structures of the eigenstates. The study of the evolution of the survival probability, Shannon information entropy, and von Neumann entanglement entropy enables the distinction between the chaotic and the intermediate region.
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