### Bell State Preparation Based on Switching Between Quantum System Models

ZHOU Juan1 , KUANG Sen 1, CONG Shuang2

1. 1.Department of Automation, University of Science and Technology of China, Hefei 230027, China; CAS Key Laboratory of Technology in Geo-spatial Information Processing and Application System, University of Science and Technology of China, Hefei 230027, China.;2.Department of Automation, University of Science and Technology of China, Hefei 230027, China.
• Online:2017-04-25 Published:2017-03-24

ZHOU Juan,KUANG Sen,CONG Shuang. Bell State Preparation Based on Switching Between Quantum System Models[J]. Journal of Systems Science and Complexity, 2017, 30(2): 347-356.

For the preparation of any target Bell state under continuous quantum measurement, this paper proposes a method which achieves the control objective by switching between two different models or by switching between two control channels under one model. Proper control Hamiltonians are selected for the two system models, a switching strategy between the two models is designed, and the stability of the whole switching system is proved in theory. For a given target Bell state, the effectiveness of the proposed switching control strategy between different models is illustrated through simulation experiments.

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