Multisetting protocol for Bell correlated states detection with spin-f systems

2025/05/21 by Arkadiusz Kobus, Kobus, Arkadiusz, Xinwei Li +7
Physics and Astronomy · #FOS: Physical sciences #Quantum Gases (cond-mat.quant-gas) #Quantum Mechanics and Applications #Quantum Physics (quant-ph)

paper · pdf · doi:10.48550/arxiv.2505.15280

openalex publication_date 2025/05/21 · openalex created_date 2025/10/19 · openalex updated_date 2026/08/04

Abstract

We propose a multisetting protocol for the detection of two-body Bell correlations, and apply it to spin-nematic squeezed states realized in f pairs of SU(2) subsystems within spin-f atomic Bose-Einstein condensates. Experimental data for f=1, alongside with numerical simulations using the truncated Wigner method for f=1, 2, 3, demonstrate the effectiveness of the proposed protocol. Our findings extend the reach of multisetting Bell tests in ultracold atomic system, paving the way for extended quantum information processing in high-spin ensemble platforms.

Citations

• Multiparameter estimation with an array of entangled atomic sensors
• Joint Estimation of a Two-Phase Spin Rotation beyond Classical Limit
• Dipolar physics: a review of experiments with magnetic quantum gases
• Mean-field spin-oscillation dynamics beyond the single-mode approximation for a harmonically trapped spin-1 Bose-Einstein condensate
• Demonstration of Bayesian quantum game on an ion trap quantum computer
• Spinor Bose gases: Symmetries, magnetism, and quantum dynamics
• Multiplayer quantum games

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