From hyperon polarization to quantum entanglement (IMAGE)

Science China Press

From hyperon polarization to quantum entanglement

Caption

BESIII measurements of the Λ production angular distribution, transverse polarization, Bell nonlocality measure m12, and Wootters concurrence as functions of the Λ production angle. The dashed line at m12 = 1 marks the CHSH bound. Together, these observables provide a unified description of the production dynamics and quantum correlations of the ΛΛ̄   system.

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©Science Bulletin/BESIII Collaboration

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