Quantum controlled phase gate and cluster states generation via two superconducting quantum interference devices in a cavityReport as inadecuate



 Quantum controlled phase gate and cluster states generation via two superconducting quantum interference devices in a cavity


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A scheme for implementing 2-qubit quantum controlled phase gate QCPG is proposed with two superconducting quantum interference devices SQUIDs in a cavity. The gate operations are realized within the two lower flux states of the SQUIDs by using a quantized cavity field and classical microwave pulses. Our scheme is achieved without any type of measurement, does not use the cavity mode as the data bus and only requires a very short resonant interaction of the SQUID-cavity system. As an application of the QCPG operation, we also propose a scheme for generating the cluster states of many SQUIDs.



Author: Zheng-Yuan Xue; Gang Zhang; Ping Dong; You-Min Yi; Zhuo-Liang Cao

Source: https://archive.org/







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