相关论文: Synchronizing Quantum Paths of a Universal Quantum…

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The paper has been withdrawn by the author because the result obtained has been reported earlier by other authors.

This paper has been withdrawn as it has been superseded by postings arXiv:quant-ph/0702147 and arXiv:0712.2935

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This paper has been withdrawn by the author(s), due a crucial error on the entanglement of $\Gamma$ registers.

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