Quantum teleportation and superdense coding through the composite W-Bell channel

  • Authors:

  • Zhi-Hua Zhang;Lan Shu;Zhi-Wen Mo

  • Affiliations:

  • School of Mathematical Science, University of Electronic Science and Technology of China, Chendu, People's Republic of China 611731;School of Mathematical Science, University of Electronic Science and Technology of China, Chendu, People's Republic of China 611731;College of Mathematics and Software Science, Sichuan Normal University, Chengdu, People's Republic of China 610068

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2013

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Abstract

The states of triqubit systems have an important category W states. A class of asymmetric W states |W n 驴123 were proposed by Agrawal and Pati (Phys Rev A 74:062320, 2006). We introduce an entangled system composed of the |W n 驴123 states and Bell pairs and show its utility for perfect teleportation and superdense coding.