Probing quantum entanglement from magnetic-sublevels populations: beyond spin squeezing inequalities

HIGHLIGHTS

• who: Guillem Mu00fcller-Rigat et al. from the (UNIVERSITY) have published the research work: Probing quantum entanglement from magnetic-sublevels populations: beyond spin squeezing inequalities, in the Journal: (JOURNAL)
• what: In Fig 1(b), the authors compare their power in detecting entanglement in the ground_state of Hu0302j=1.
• how: For both j=1 and j=2 the authors showed that the twin Fock state robustly violates an entanglement witness involving all populations in three orthogonal directions while entanglement cannot be detected if only the collective spin is measured.

SUMMARY

 



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