• Open Access

Symmetry-protected topological order as a requirement for measurement-based quantum gate teleportation

Zhuohao Liu, Emma C. Johnson, and David L. Feder
Phys. Rev. Research 6, 013134 – Published 1 February 2024

Abstract

All known resource states for measurement-based quantum teleportation in correlation space possess symmetry-protected topological order, but is this a sufficient or even necessary condition? This work considers two families of one-dimensional qubit states to answer this question in the negative. The first is a family of matrix-product states with bond dimension two that includes the cluster state as a special case, protected by a global non-on-site symmetry, which is characterized by a finite correlation length and a degenerate entanglement spectrum in the thermodynamic limit but which is unable to deterministically teleport a universal set of single-qubit gates. The second are states with bond dimension four that are a resource for deterministic universal teleportation of finite single-qubit gates, but which possess no symmetry.

  • Received 13 March 2023
  • Revised 15 October 2023
  • Accepted 9 January 2024

DOI:https://doi.org/10.1103/PhysRevResearch.6.013134

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & TechnologyCondensed Matter, Materials & Applied Physics

Authors & Affiliations

Zhuohao Liu, Emma C. Johnson, and David L. Feder

  • Institute for Quantum Science and Technology and Department of Physics and Astronomy, University of Calgary, Calgary, Alberta T2N 1N4, Canada

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Issue

Vol. 6, Iss. 1 — February - April 2024

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