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Quantum Entanglement generated by Nanomechanical Shuttle

  • Journal of Internet of Things and Convergence
  • Abbr : JKIOTS
  • 2025, 11(2), pp.145~150
  • Publisher : The Korea Internet of Things Society
  • Research Area : Engineering > Computer Science > Internet Information Processing
  • Received : January 30, 2025
  • Accepted : February 25, 2025
  • Published : April 30, 2025

Hee Chul Park 1

1국립부경대학교

Accredited

ABSTRACT

We investigate a nanomechanical shuttle composed of a Cooper pair box qubit undergoing nanomechanical vibrations between two bulk superconductors. Our findings reveal that applying a bias voltage to the superconductors can generate entangled states, represented by a superposition of the qubit states and Schrodinger's cat states i.e., a combination of coherent states of the nanomechanical oscillator. We analyze the formation and evolution of these states using the corresponding Wigner function.This study is expected to contribute to the development of quantum network research using quantum entanglement. We also expect to develop the quantum entangled network (QEN) as the internet of things (IOT) enhanced by quantum security.

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