Controllability and Universal Three-qubit Quantum Computation with Trapped Electron States

  • Authors:

  • L. H. Pedersen;C. Rangan

  • Affiliations:

  • Lundbeck Foundation Theoretical Center for Quantum System Research, Department of Physics and Astronomy, University of Aarhus, Arhus C, Denmark 8000;Department of Physics, University of Windsor, Windsor, Canada N9B 3P4

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2008

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Abstract

We show how to control and perform universal three-qubit quantum computation with trapped electron quantum states. The three qubits are the electron spin, and the first two quantum states of the cyclotron and axial harmonic oscillators. We explicitly show how universal three-qubit gates can be performed. As an example of a quantum algorithm, we outline the implementation of the three-qubit Deutsch-Jozsa algorithm in this system.