Xue, Z.-Y.; Zhang, G.; Dong, P.; Yi, Y.-M.; Cao, Z.-L. - In: The European Physical Journal B - Condensed Matter and … 52 (2006) 3, pp. 333-336
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...