Simple schemes for quantum information processing with W-type entanglement

  • Authors:

  • Xin-Wen Wang;Guo-Jian Yang;Yu-Huan Su;Min Xie

  • Affiliations:

  • Department of Physics, and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, China 100875;Department of Physics, and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, China 100875;Department of Physics, and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, China 100875;Department of Physics, and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, China 100875

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2009

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Abstract

Simple schemes are proposed for implementing deterministic teleportation, superdense coding, and quantum information splitting with W-type entangled states. The physical realization of these schemes should be much simpler than previous ones due to the assistance of an auxiliary particle. We illustrate the ideas in cavity quantum electrodynamics. The important features of our schemes can also be demonstrated in other systems.