The initialization of states is of importance in nuclear magnetic resonance quantum computing systems. In this article it is shown that the initialization of n-qubits states can be realized via a sequence of controlle...
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The initialization of states is of importance in nuclear magnetic resonance quantum computing systems. In this article it is shown that the initialization of n-qubits states can be realized via a sequence of controlled-not quantum gates from any mixed state. We present a general algorithm and its optimization to construct a circuit of controlled-not quantum gates that realizes the initialization using the concept of Gray Codes. (C) 2003 Wiley Periodicals, Inc.
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