Information Transmission between Non Direct-coupled Spins in NMR Quantu m Computer
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Abstract
In nuclear magnetic resonance (NMR) system, the interaction s between two arbitrary non direct-coupled spins always become very small along w ith the increasing of their distance. So it is very difficult to realize the inf ormation transmission between two non direct-coupled spins. Fortunately, by int roducing the quantum super dense coding (QSDC) and the spin swap operation, this difficulty can be overcome. In this paper, we analyze the scheme of transmitting information between...
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