We propose a scheme for generating a maximally entangled state of two three-level superconducting quantum interference devices （SQUIDs） by using a quantized cavity field and classical microwave pluses in cavity. In ...We propose a scheme for generating a maximally entangled state of two three-level superconducting quantum interference devices （SQUIDs） by using a quantized cavity field and classical microwave pluses in cavity. In this scheme, no quantum information will be transferred from the SQUIDs to the cavity since the cavity field is only virtually excited. Thus, the cavity decay is suppressed during the entanglement generation.展开更多
基金The project supported in part by National Natural Science Foundation of China under Grant No. 60478029
文摘We propose a scheme for generating a maximally entangled state of two three-level superconducting quantum interference devices （SQUIDs） by using a quantized cavity field and classical microwave pluses in cavity. In this scheme, no quantum information will be transferred from the SQUIDs to the cavity since the cavity field is only virtually excited. Thus, the cavity decay is suppressed during the entanglement generation.
