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Discrete-time controllability for feedback quantum dynamics
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DOI：10.1016/j.automatica.2011.08.018.png)
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Controllability properties for discrete-time, Markovian quantum dynamics are investigated. We find that, while in general the controlled system is not finite-time controllable, feedback control allows for arbitrary asymptotic state-to-state transitions. Under further assumptions on the form of the measurement, we show that finite-time controllability can be achieved in a time that is twice the dimension of the system, and we provide an iterative procedure to design the unitary control actions. (C) 2011 Elsevier Ltd. All rights reserved.
Keyword:
Quantum control
Discrete-time system
Controllability
Output feedback
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期刊
IF:
5.9
论文数:
1.2W
被引数:
5.2W
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