Macroscopic observables detecting genuine multipartite entanglement and partial inseparability in many-body systems

Article, Preprint English OPEN
Gabriel, A.; Hiesmayr, B. C.;
(2013)
  • Publisher: EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
  • Journal: EPL (issn: 0295-5075)
  • Related identifiers: doi: 10.1209/0295-5075/101/30003
  • Subject:
    arxiv: Quantum Physics

We show a general approach for detecting genuine multipartite entanglement (GME) and partial inseparability in many-body-systems by means of macroscopic observables (such as the energy) only. We show that the obtained criteria, the "GME gap" and "the k-entanglement gap"... View more
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