Bene Watts, Yunger Halpern, and Harrow, “Nonlinear Bell inequality for macroscopic measurements,” Phys. Rev. A 103, L010202 (2021).
D.R.M. Arvidsson-Shukur, N. Yunger Halpern, H.V. Lepage, A.A. Lasek, C.H.W. Barnes, and S. Lloyd, “Quantum advantage in postselected metrology,” Nat. Comms. 11, 3775 (2020).