Characteristics analysis of stochastic open quantum system models and feedback control

Abstract

Abstract:

The stochastic open quantum system models undergoing continuous measurement in different cases are investigated. For different stochastic open quantum system models affected by the measurement, the model establishment conditions, the composition of model component and its effect are analyzed. For the simplified models, the processes of simplification are also analyzed. At the same time, the relationships between different models are compared. Based on the stochastic open quantum systems with the state estimation, , the existed switch and continuous control laws which are used to transfer the quantum states between the eigenstates are comparative analyzed from their control ideas, the characteristics, the control effect, the condition of using, to the improving process. The feedback controller design is also discussed under the influences of environment decoherence and time-delay.

Key words: quantum control, stochastic open quantum system models, quantum continuous measurement, quantum filter, quantum feedback control

CLC Number:

O411，TP13

CONG Shuang, Xue Jingjing. Characteristics analysis of stochastic open quantum system models and feedback control[J]. J4, 2015, 32(2): 186-197.

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