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Quantum synchronization and quantum state sharing in an irregular complex network.

Wenlin Li1, Chong Li1, Heshan Song1

  • 1School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian 116024, China.

Physical Review. E
|March 17, 2017
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Summary
This summary is machine-generated.

This study demonstrates quantum synchronization in complex networks of coupled optomechanical systems, enabling unknown quantum state sharing. Synchronization persists in dissipation, with conditions for network-wide state distribution identified.

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Area of Science:

  • Quantum physics
  • Complex networks
  • Optomechanics

Background:

  • Quantum networks enable novel information processing.
  • Synchronization is crucial for distributed quantum tasks.
  • Optomechanical systems offer a platform for quantum phenomena.

Purpose of the Study:

  • To investigate quantum synchronization in complex networks of coupled optomechanical systems.
  • To demonstrate the sharing and distribution of unknown identical quantum states.
  • To analyze the conditions for network-wide synchronization.

Main Methods:

  • Analysis of coupled optomechanical systems.
  • Utilizing quantum correlation channels.
  • Investigating network dynamics and synchronization conditions.

Main Results:

  • Quantum states can be shared in networks with varying topology.
  • Synchronization is sustained in Markovian dissipation.
  • Linked nodes synchronize directly; network synchronization requires specific conditions.

Conclusions:

  • Quantum synchronization facilitates robust quantum state distribution in complex networks.
  • Analytical conditions for network synchronization are derived.
  • This work advances multi-interaction synchronization and quantum information processing.