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Quantum information scrambling in a trapped-ion quantum simulator with tunable range interactions
- Source :
- Phys. Rev. Lett. 124, 240505 (2020)
- Publication Year :
- 2020
-
Abstract
- In ergodic many-body quantum systems, locally encoded quantum information becomes, in the course of time evolution, inaccessible to local measurements. This concept of "scrambling" is currently of intense research interest, entailing a deep understanding of many-body dynamics such as the processes of chaos and thermalization. Here, we present first experimental demonstrations of quantum information scrambling on a 10-qubit trapped-ion quantum simulator representing a tunable long-range interacting spin system, by estimating out-of-time ordered correlators (OTOCs) through randomized measurements. We also analyze the role of decoherence in our system by comparing our measurements to numerical simulations and by measuring R\'enyi entanglement entropies.<br />Comment: 9 pages and 8 figures
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 124, 240505 (2020)
- Publication Type :
- Report
- Accession number :
- edsarx.2001.02176
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.124.240505