We investigate the coupling of two superconducting quantum interference devices (SQUIDs) via a metallicnanomechanical resonator (NAMR),and bring out the effective interaction between the two SQUIDs.By constructingthe ...We investigate the coupling of two superconducting quantum interference devices (SQUIDs) via a metallicnanomechanical resonator (NAMR),and bring out the effective interaction between the two SQUIDs.By constructingthe evolution operator,we also study the evolvement of entanglement in this composed system.展开更多
基金Supported by the Fundamental Research Punds for the Central Universities under Grant No. DUT10LK10the National Science Foundation of China under Grant Nos. 60703100 and 10875020
文摘We investigate the coupling of two superconducting quantum interference devices (SQUIDs) via a metallicnanomechanical resonator (NAMR),and bring out the effective interaction between the two SQUIDs.By constructingthe evolution operator,we also study the evolvement of entanglement in this composed system.