Quantization of the double-qubit structure and quantum computation |
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Authors: | Liang Bao-Long and Wang Ji-Suo |
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Institution: | School of Physical Science and Information Engineering, Liaocheng University, Liao Cheng 252059, China |
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Abstract: | The quantization scheme of a double-qubit structure with
superconducting quantum interference devices (SQUIDs) is given.
By introducing unitary matrices and using spectral
decompositions, the Hamiltonian operator of the system is
exactly formulated in compact forms in spin-1/2 notation. A
scheme of designing controlled-phase-shift (CPS) gates is also
proposed by using this circuit system. |
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Keywords: | double-qubit quantization spectral decomposition controlled-phase-shift |
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