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Paper   IPM / Physic / 7305
School of Physics
  Title:   Comment II on Dense Coding in Entangled States
1.  O. Akhavan
2.  A.T. Rezakhani
  Status:   Published
  Journal: Phys. Rev. A
  No.:  1
  Vol.:  68
  Year:  2003
  Pages:   016302
  Supported by:  IPM
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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