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    An energy relaxation tolerant approach to quantum entanglement, information transfer, and gates with superconducting-quantum-interference-device qubits in cavity QED

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    Issue Date
    2004-03-31
    Author
    Yang, Chui-Ping
    Chu, Shih-I
    Han, Siyuan
    Publisher
    IOP PUBLISHING LTD
    Format
    263159 bytes
    Type
    Article
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    Abstract
    A scheme is proposed for realizing quantum entanglement, information transfer, CNOT gates, and SWAP gates with supercoiiducting-quantum-interference-device (SQUID) qubits in cavity QED. In the scheme, the two logical states of a qubit are the two lowest levels of the SQUID. An intermediate level of the SQUID is utilized to facilitate coherent control and manipulation of quantum states of the qubits. The method presented here does not involve a real excitation of the intermediate levels during the operations. Thus, decoherence due to energy relaxation of intermediate levels is minimized. In addition, the present method does not require the adjustment of the SQUID level spacings, which simplifies the operation significantly.
    URI
    http://hdl.handle.net/1808/283
    DOI
    https://doi.org/10.1088/0953-8984/16/12/001
    Collections
    • Physics and Astronomy Scholarly Works [1134]
    • Distinguished Professors Scholarly Works [918]
    Citation
    Yang, CP; Chu, SI; Han, SY. An energy relaxation tolerant approach to quantum entanglement, information transfer, and gates with superconducting-quantum-interference-device qubits in cavity QED. JOURNAL OF PHYSICS-CONDENSED MATTER. March 31 2004. 16(12):1907-1914

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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