Nonlinear Dynamics and Quantum Entanglement in Optomechanical Systems

Guanglei Wang*, Liang Huang, Ying-Cheng Lai, Celso Grebogi

*Corresponding author for this work

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

To search for and exploit quantum manifestations of classical nonlinear dynamics is one of the most fundamental problems in physics. Using optomechanical systems as a paradigm, we address this problem from the perspective of quantum entanglement. We uncover strong fingerprints in the quantum entanglement of two common types of classical nonlinear dynamical behaviors: periodic oscillations and quasiperiodic motion. There is a transition from the former to the latter as an experimentally adjustable parameter is changed through a critical value. Accompanying this process, except for a small region about the critical value, the degree of quantum entanglement shows a trend of continuous increase. The time evolution of the entanglement measure, e. g., logarithmic negativity, exhibits a strong dependence on the nature of classical nonlinear dynamics, constituting its signature.

Original languageEnglish
Article number110406
Number of pages6
JournalPhysical Review Letters
Volume112
Issue number11
DOIs
Publication statusPublished - 18 Mar 2014

Keywords

  • cavity optomechanics
  • microwave fields
  • oscillator
  • motion
  • molecules
  • state
  • limit

Cite this

Nonlinear Dynamics and Quantum Entanglement in Optomechanical Systems. / Wang, Guanglei; Huang, Liang; Lai, Ying-Cheng; Grebogi, Celso.

In: Physical Review Letters, Vol. 112, No. 11, 110406, 18.03.2014.

Research output: Contribution to journalArticle

Wang, Guanglei ; Huang, Liang ; Lai, Ying-Cheng ; Grebogi, Celso. / Nonlinear Dynamics and Quantum Entanglement in Optomechanical Systems. In: Physical Review Letters. 2014 ; Vol. 112, No. 11.
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