Quantumness and entanglement witnesses

Paolo Facchi*, Saverio Pascazio, Vlatko Vedral, Kazuya Yuasa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We analyze the recently introduced notion of quantumness witnesses and compare it to that of entanglement witnesses. We show that any entanglement witness is also a quantumness witness. We then consider some physically relevant examples and explicitly construct some witnesses.

Original languageEnglish
Article number105302
JournalJournal of Physics A: Mathematical and Theoretical
Issue number10
Publication statusPublished - 2012 Mar 16

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Modelling and Simulation
  • Mathematical Physics
  • Physics and Astronomy(all)


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