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Dynamical Casimir effect entangles artificial atoms.

S Felicetti1, M Sanz1, L Lamata1

  • 1Department of Physical Chemistry, University of the Basque Country UPV/EHU, Apartado 644, E-48080 Bilbao, Spain.

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|September 13, 2014
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The dynamical Casimir effect can create multipartite quantum correlations using superconducting qubits. This research proposes a scalable method for generating highly entangled states in quantum networks.

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Area of Science:

  • Quantum physics
  • Quantum information science
  • Solid-state physics

Background:

  • The dynamical Casimir effect is a predicted phenomenon where particles are created from vacuum fluctuations.
  • Generating multipartite quantum entanglement is crucial for quantum computing and communication.

Purpose of the Study:

  • To investigate the potential of the dynamical Casimir effect for generating multipartite quantum correlations.
  • To propose a practical experimental setup for creating entangled states using superconducting circuits.

Main Methods:

  • Utilizing circuit quantum electrodynamics architecture.
  • Employing superconducting quantum interference devices (SQUIDs) and superconducting qubits (artificial atoms).
  • Simulating entanglement generation in cavity networks with realistic parameters.

Main Results:

  • Demonstrated that the physics of the dynamical Casimir effect can indeed generate multipartite quantum correlations.
  • Predicted the creation of highly entangled states for two and three superconducting qubits.
  • Showcased feasibility across different geometric configurations.

Conclusions:

  • The proposed circuit QED scenario offers a viable route to multipartite entanglement generation.
  • Dynamical Casimir physics provides a novel mechanism for scalable entanglement in quantum networks.
  • This work advances the development of robust quantum information processing technologies.