Detection of High-Dimensional Genuine Multipartite Entanglement of Mixed States

Marcus Huber, Florian Mintert, Andreas Gabriel, and Beatrix C. Hiesmayr
Phys. Rev. Lett. 104, 210501 – Published 24 May 2010

Abstract

We derive a general framework to identify genuinely multipartite entangled mixed quantum states in arbitrary-dimensional systems and show in exemplary cases that the constructed criteria are stronger than those previously known. Our criteria are simple functions of the given quantum state and detect genuine multipartite entanglement that had not been identified so far. They are experimentally accessible without quantum state tomography and are easily computable as no optimization or eigenvalue evaluation is needed.

  • Figure
  • Received 9 December 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.210501

©2010 American Physical Society

Authors & Affiliations

Marcus Huber and Florian Mintert

  • Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria and Institute of Physics, Albert-Ludwigs University of Freiburg, Hermann-Herder-Strasse 3, 79104 Freiburg Germany

Andreas Gabriel and Beatrix C. Hiesmayr

  • Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria

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Issue

Vol. 104, Iss. 21 — 28 May 2010

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