Quantum nonlocally correlated observables for non-Gaussian states

Hong Rong Li; Fu Li Li; Shi Yao Zhu

doi:10.1088/0256-307X/28/5/050310

Quantum nonlocally correlated observables for non-Gaussian states

Hong Rong Li^*, Fu Li Li, Shi Yao Zhu

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Journal article › peer-review

1 Citation (Scopus)

Abstract

Quantum nonlocally correlated observables of the squeezed Bell-like states are investigated. We find that the higher amount of the entanglement does not always mean the stronger correlation of positions and momentums in the non-Gaussian states such as the photon-added states and the squeezed number states. Quantum nonlocal correlations of the amplitude-squared operators signal the entanglement existence of all the squeezed Bell-like states.

Original language	English
Article number	050310
Journal	Chinese Physics Letters
Volume	28
Issue number	5
DOIs	https://doi.org/10.1088/0256-307X/28/5/050310
Publication status	Published - May 2011

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title = "Quantum nonlocally correlated observables for non-Gaussian states",

abstract = "Quantum nonlocally correlated observables of the squeezed Bell-like states are investigated. We find that the higher amount of the entanglement does not always mean the stronger correlation of positions and momentums in the non-Gaussian states such as the photon-added states and the squeezed number states. Quantum nonlocal correlations of the amplitude-squared operators signal the entanglement existence of all the squeezed Bell-like states.",

author = "Li, {Hong Rong} and Li, {Fu Li} and Zhu, {Shi Yao}",

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AU - Li, Fu Li

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N2 - Quantum nonlocally correlated observables of the squeezed Bell-like states are investigated. We find that the higher amount of the entanglement does not always mean the stronger correlation of positions and momentums in the non-Gaussian states such as the photon-added states and the squeezed number states. Quantum nonlocal correlations of the amplitude-squared operators signal the entanglement existence of all the squeezed Bell-like states.

AB - Quantum nonlocally correlated observables of the squeezed Bell-like states are investigated. We find that the higher amount of the entanglement does not always mean the stronger correlation of positions and momentums in the non-Gaussian states such as the photon-added states and the squeezed number states. Quantum nonlocal correlations of the amplitude-squared operators signal the entanglement existence of all the squeezed Bell-like states.

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U2 - 10.1088/0256-307X/28/5/050310

DO - 10.1088/0256-307X/28/5/050310

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SN - 0256-307X

VL - 28

JO - Chinese Physics Letters

JF - Chinese Physics Letters

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Quantum nonlocally correlated observables for non-Gaussian states

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