The year 2001 witnesses the launch of the secondstage of the trial implementation of the national knowl-edge innovation program(KIP). The goal for this stage(2001-2005) is to implement the KIP in an all-roundway at th...The year 2001 witnesses the launch of the secondstage of the trial implementation of the national knowl-edge innovation program(KIP). The goal for this stage(2001-2005) is to implement the KIP in an all-roundway at the Chinese Academy of Sciences (CAS) onthe basis of the progress made in the initial stage,which started in 1998. Following are the major ob-jectives the academy has set for this phase.展开更多
We show how a non-local quantum controlled-NOT (CNOT) gate with multiple targets can be implemented with unit fidelity and unit probability.The explicit quantum circuit for implementing the operation is presented.Two ...We show how a non-local quantum controlled-NOT (CNOT) gate with multiple targets can be implemented with unit fidelity and unit probability.The explicit quantum circuit for implementing the operation is presented.Two schemes for probabilistic implementing the operation via partially entangled quantum channels with unit fidelity are put forward.The overall physical resources required for accomplishing these schemes are different,and the successful implementation probabilities are also different.展开更多
文摘The year 2001 witnesses the launch of the secondstage of the trial implementation of the national knowl-edge innovation program(KIP). The goal for this stage(2001-2005) is to implement the KIP in an all-roundway at the Chinese Academy of Sciences (CAS) onthe basis of the progress made in the initial stage,which started in 1998. Following are the major ob-jectives the academy has set for this phase.
基金This work was supported by the Natural Science Foundation of Guangdong Province, China (No. 020127)the Natural Science Research Foundation of Education Department of Guangdong Province (No. Z02069).
文摘We show how a non-local quantum controlled-NOT (CNOT) gate with multiple targets can be implemented with unit fidelity and unit probability.The explicit quantum circuit for implementing the operation is presented.Two schemes for probabilistic implementing the operation via partially entangled quantum channels with unit fidelity are put forward.The overall physical resources required for accomplishing these schemes are different,and the successful implementation probabilities are also different.
