Comment on "Dense coding in entangled states"

Details Comment on "Dense coding in entangled states" Comment on "Dense coding in entangled states"

2003-06-22

arxiv.org/abs/quant-ph/0306148v1

Phys. Rev. A 68, 016302 (2003)

Physics

Quantum Physics

1 page, no figure, revtex

Scientific paper

10.1103/PhysRevA.68.016302

In a recent Brief Report, Lee et al. [L. Lee, D. Ahn, and S.W. Hwang, Phys.
Rev. A 66, 024304 (2002)] have claimed that using pairwise entangled qubits
gives rise to an exponentially more efficient dense coding when two parties are
involved than using maximally entangled qubits shared among N parties. Here, we
show that their claim is not true.

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