Gray code and the initialization problem of NMR quantum computers | Zendy

Sawae Ryuichi | Zendy; Sakata Toshio | Zendy; Tei Minaru | Zendy; Takarabe Kenichi | Zendy; Manmoto Yoshinori | Zendy

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Gray code and the initialization problem of NMR quantum computers

Author(s) -

Sawae Ryuichi,

Sakata Toshio,

Tei Minaru,

Takarabe Kenichi,

Manmoto Yoshinori

Publication year - 2003

Publication title -

international journal of quantum chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.484

H-Index - 105

eISSN - 1097-461X

pISSN - 0020-7608

DOI - 10.1002/qua.10631

Subject(s) - initialization , quantum computer , qubit , computer science , quantum , code (set theory) , quantum gate , algorithm , quantum mechanics , physics , theoretical computer science , set (abstract data type) , programming language

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

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