Bell correlations in spin-squeezed states of 500 000 atoms

N. Engelsen, R. Krishnakumar, O. Hosten, M. Kasevich, Physical Review Letters 118 (2017).

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Journal Article | Published | English
Author
Engelsen, Nils; Krishnakumar, Rajiv; Hosten, OnurIST Austria ; Kasevich, Mark
Abstract
Bell correlations, indicating nonlocality in composite quantum systems, were until recently only seen in small systems. Here, we demonstrate Bell correlations in squeezed states of 5×105 Rb87 atoms. The correlations are inferred using collective measurements as witnesses and are statistically significant to 124 standard deviations. The states are both generated and characterized using optical-cavity aided measurements.
Publishing Year
Date Published
2017-04-03
Journal Title
Physical Review Letters
Volume
118
Issue
14
IST-REx-ID
593

Cite this

Engelsen N, Krishnakumar R, Hosten O, Kasevich M. Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters. 2017;118(14). doi:10.1103/PhysRevLett.118.140401
Engelsen, N., Krishnakumar, R., Hosten, O., & Kasevich, M. (2017). Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters, 118(14). https://doi.org/10.1103/PhysRevLett.118.140401
Engelsen, Nils, Rajiv Krishnakumar, Onur Hosten, and Mark Kasevich. “Bell Correlations in Spin-Squeezed States of 500 000 Atoms.” Physical Review Letters 118, no. 14 (2017). https://doi.org/10.1103/PhysRevLett.118.140401.
N. Engelsen, R. Krishnakumar, O. Hosten, and M. Kasevich, “Bell correlations in spin-squeezed states of 500 000 atoms,” Physical Review Letters, vol. 118, no. 14, 2017.
Engelsen N, Krishnakumar R, Hosten O, Kasevich M. 2017. Bell correlations in spin-squeezed states of 500 000 atoms. Physical Review Letters. 118(14).
Engelsen, Nils, et al. “Bell Correlations in Spin-Squeezed States of 500 000 Atoms.” Physical Review Letters, vol. 118, no. 14, American Physical Society, 2017, doi:10.1103/PhysRevLett.118.140401.

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