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Trapped Ion Quantum Computing

Quantum information spreading in a disordered quantum walk

arXiv
Authors: Farzam Nosrati, Alessandro Laneve, Mahshid Khazaei Shadfar, Andrea Geraldi, Kobra Mahdavipour, Federico Pegoraro, Paolo Mataloni, Rosario Lo Franco

Year

2020

Paper ID

19786

Status

Preprint

Abstract Read

~2 min

Abstract Words

93

Citations

N/A

Abstract

We design a quantum probing protocol using Quantum Walks to investigate the Quantum Information spreading pattern. We employ Quantum Fisher Information, as a figure of merit, to quantify extractable information about an unknown parameter encoded within the Quantum Walk evolution. Although the approach is universal, we focus on the coherent static and dynamic disorder to investigate anomalous and classical transport as well as Anderson localization. Our results show that a Quantum Walk can be considered as a readout device of information about defects and perturbations occurring in complex networks, both classical and quantum.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • We design a quantum probing protocol using Quantum Walks to investigate the Quantum Information spreading pattern.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.10592 [2] arXiv https://arxiv.org/abs/2010.10592 [3] Publisher https://arxiv.org/abs/2010.10592

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