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      Number-phase uncertainty relations and bipartite entanglement detection in spin ensembles 

      Vitagliano, Giuseppe; Fadel, Matteo; Apellaniz Asategui, Jagoba; Kleinmann, Matthias; Lücke, Bernd; Klempt, Carsten; Tóth, Géza (Verein Forderung Open Access Publizierens Quantenwissenschaf, 2023-02)
      We present a method to detect bipartite entanglement based on number-phase-like uncertainty relations in split spin ensembles. First, we derive an uncertainty relation that plays the role of a number-phase uncertainty for ...