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Bai CH, Wang DY, Wang HF, et al. Classical-to-quantum transition behavior between two oscillators separated in space under the action of optomechanical interaction. Sci Rep. 2017;7(1):2545doi: 10.1038/s41598-017-02779-w.
Bai, C. H., Wang, D. Y., Wang, H. F., Zhu, A. D., & Zhang, S. (2017). Classical-to-quantum transition behavior between two oscillators separated in space under the action of optomechanical interaction. Scientific reports, 7(1), 2545. https://doi.org/10.1038/s41598-017-02779-w
Bai, Cheng-Hua, et al. "Classical-to-quantum transition behavior between two oscillators separated in space under the action of optomechanical interaction." Scientific reports vol. 7,1 (2017): 2545. doi: https://doi.org/10.1038/s41598-017-02779-w
Bai CH, Wang DY, Wang HF, Zhu AD, Zhang S. Classical-to-quantum transition behavior between two oscillators separated in space under the action of optomechanical interaction. Sci Rep. 2017 May 31;7(1):2545. doi: 10.1038/s41598-017-02779-w. PMID: 28566715; PMCID: PMC5451418.
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Sci Rep. 2017 May 31;7(1):2545. doi: 10.1038/s41598-017-02779-w.

Classical-to-quantum transition behavior between two oscillators separated in space under the action of optomechanical interaction.

Scientific reports

Cheng-Hua Bai, Dong-Yang Wang, Hong-Fu Wang, Ai-Dong Zhu, Shou Zhang

Affiliations

  1. Department of Physics, College of Science, Yanbian University, Yanji, Jilin, 133002, China.
  2. Department of Physics, College of Science, Yanbian University, Yanji, Jilin, 133002, China. [email protected].

PMID: 28566715 PMCID: PMC5451418 DOI: 10.1038/s41598-017-02779-w

Abstract

We propose a scheme to show that the system consisting of two macroscopic oscillators separated in space which are coupled through Coulomb interaction displays the classical-to-quantum transition behavior under the action of optomechanical coupling interaction. Once the optomechanical coupling interaction disappears, the entanglement between the two separated oscillators disappears accordingly and the system will return to classical world even though there exists sufficiently strong Coulomb coupling between the oscillators. In addition, resorting to the squeezing of the cavity field generated by an optical parametric amplifier inside the cavity, we discuss the effect of squeezed light driving on this classical-to-quantum transition behavior instead of injecting the squeezed field directly. The results of numerical simulation show that the present scheme is feasible and practical and has stronger robustness against the environment temperature compared with previous schemes in current experimentally feasible regimes. The scheme might possibly help us to further clarify and grasp the classical-quantum boundary.

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