Quantum computing with four-particle decoherence-free states in an ion trap

Mang Feng and Xiaoguang Wang
Phys. Rev. A 65, 044304 – Published 2 April 2002
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Abstract

Quantum computing gates are proposed to apply on trapped ions in decoherence-free states. As the phase changes due to time evolution of components with different eigenenergies of quantum superposition are completely frozen, quantum computing based on this model would be perfect. Possible applications of our scheme in future ion-trap quantum computers is discussed.

  • Received 2 October 2001

DOI:https://doi.org/10.1103/PhysRevA.65.044304

©2002 American Physical Society

Authors & Affiliations

Mang Feng1,2,* and Xiaoguang Wang2,†

  • 1Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Academia Sinica, Wuhan 430071, People’s Republic of China
  • 2Institute for Scientific Interchange (ISI) Foundation, Villa Gualino, Viale Settimio Severo 65, I-10133 Torino, Italy

  • *Electronic address: feng@isiosf.isi.it
  • Electronic address: xgwang@isiosf.isi.it

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Vol. 65, Iss. 4 — April 2002

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