arXiv:quant-ph/0601128 · Chinese Physics
Multi-party dense coding in non-symmetric quantum channel
Fu Chang-Bao, Xia Yan, Zhang Shou
Abstract
A three- and an ( N +1)-party dense coding scheme in the case of non-symmetric Hilbert spaces of the particles of a quantum channel are investigated by using a multipartite entangled state. In the case of the ( N +1)-party dense coding scheme, we show that the amount of classical information transmitted from N senders to one receiver is improved.