Abstract
The states of triqubit systems have an important category W states. A class of asymmetric W states |W n 〉123 were proposed by Agrawal and Pati (Phys Rev A 74:062320, 2006). We introduce an entangled system composed of the |W n 〉123 states and Bell pairs and show its utility for perfect teleportation and superdense coding.
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Zhang, Zh., Shu, L. & Mo, Zw. Quantum teleportation and superdense coding through the composite W-Bell channel. Quantum Inf Process 12, 1957–1967 (2013). https://doi.org/10.1007/s11128-012-0504-6
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DOI: https://doi.org/10.1007/s11128-012-0504-6