Discriminating Multipartite Entangled States

Christian Schmid, Nikolai Kiesel, Wiesław Laskowski, Witlef Wieczorek, Marek Żukowski, and Harald Weinfurter
Phys. Rev. Lett. 100, 200407 – Published 22 May 2008

Abstract

The variety of multipartite entangled states enables numerous applications in novel quantum information tasks. In order to compare the suitability of different states from a theoretical point of view, classifications have been introduced. Accordingly, here we derive criteria and demonstrate how to experimentally discriminate an observed state against the ones of certain other classes of multipartite entangled states. Our method, originating in Bell inequalities, adds an important tool for the characterization of multiparty entanglement.

  • Figure
  • Received 3 January 2008

DOI:https://doi.org/10.1103/PhysRevLett.100.200407

©2008 American Physical Society

Authors & Affiliations

Christian Schmid1,2, Nikolai Kiesel1,2, Wiesław Laskowski3, Witlef Wieczorek1,2, Marek Żukowski3, and Harald Weinfurter1,2

  • 1Department für Physik, Ludwig-Maximilians-Universität, D-80797 München, Germany
  • 2Max-Planck-Institut für Quantenoptik, D-85748 Garching, Germany
  • 3Instytut Fizyki Teoretycznej i Astrofizyki, Uniwersytet Gdański, PL-80-952 Gdańsk, Poland

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Issue

Vol. 100, Iss. 20 — 23 May 2008

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