General stabilizer approach for constructing highly entangled graph states

Zahra Raissi, Adam Burchardt, and Edwin Barnes
Phys. Rev. A 106, 062424 – Published 19 December 2022

Abstract

Highly entangled multipartite states such as k-uniform (k-UNI) and absolutely maximally entangled (AME) states serve as critical resources in quantum networking and other quantum information applications. However, there does not yet exist a complete classification of such states, and much remains unknown about their entanglement structure. Here we substantially broaden the class of known k-UNI and AME states by introducing a method for explicitly constructing such states that combines classical error correcting codes and qudit graph states. This method in fact constitutes a general recipe for obtaining multipartitite entangled states from classical codes. Furthermore, we show that at least for a large subset of the class of k-UNI states that we present, the states are inequivalent under stochastic local operations and classical communication. This subset is defined by an iterative procedure for constructing a hierarchy of k-UNI graph states.

  • Received 22 December 2021
  • Accepted 21 November 2022

DOI:https://doi.org/10.1103/PhysRevA.106.062424

©2022 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & Technology

Authors & Affiliations

Zahra Raissi1,2,3, Adam Burchardt4, and Edwin Barnes1,2

  • 1Department of Physics, Virginia Tech, Blacksburg, Virginia 24061, USA
  • 2Virginia Tech Center for Quantum Information Science and Engineering, Blacksburg, Virginia 24061, USA
  • 3ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona) 08860, Spain
  • 4QuSoft, CWI and University of Amsterdam, Science Park 123, 1098 XG Amsterdam, The Netherlands

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Issue

Vol. 106, Iss. 6 — December 2022

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