Structure of multipartite entanglement in random cluster-like photonic systems

Mario Arnolfo Ciampini*, Paolo Mataloni, Mauro Paternostro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
152 Downloads (Pure)

Abstract

Quantum networks are natural scenarios for the communication of information among distributed parties, and the arena of promising schemes for distributed quantum computation. Measurement-based quantum computing is a prominent example of how quantum networking, embodied by the generation of a special class of multipartite states called cluster states, can be used to achieve a powerful paradigm for quantum information processing. Here we analyze randomly generated cluster states in order to address the emergence of correlations as a function of the density of edges in a given underlying graph. We find that the most widespread multipartite entanglement does not correspond to the highest amount of edges in the cluster. We extend the analysis to higher dimensions, finding similar results, which suggest the establishment of small world structures in the entanglement sharing of randomised cluster states, which can be exploited in engineering more efficient quantum information carriers.

Original languageEnglish
Article number473
Number of pages11
JournalEntropy
Volume19
Issue number9
DOIs
Publication statusPublished - 05 Sep 2017

Keywords

  • Cluster states
  • Multipartite entanglement
  • Percolation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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