Gray code and the initialization problem of NMR quantum computers

Gray code and the initialization problem of NMR quantum computers

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 op...

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Veröffentlicht in:International journal of quantum chemistry 2003, Vol.95 (4-5), p.558-560
Hauptverfasser: Sawae, Ryuichi, Sakata, Toshio, Tei, Minaru, Takarabe, Kenichi, Manmoto, Yoshinori
Format: Artikel
Sprache:eng
Schlagworte:
Gray code
initialization algorithm
nuclear magnetic resonance
permutation
quantum computer
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Zusammenfassung: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. © 2003 Wiley Periodicals, Inc. Int J Quantum Chem, 2003
ISSN:0020-7608
1097-461X
DOI:10.1002/qua.10631