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|Title:||Time-delay effects and simplified control fields in quantum Lyapunov control|
|Authors:||Yi, X.X. |
|Source:||Yi, X.X.,Wu, S.L.,Wu, C.,Feng, X.L.,Oh, C.H. (2011). Time-delay effects and simplified control fields in quantum Lyapunov control. Journal of Physics B: Atomic, Molecular and Optical Physics 44 (19) : -. ScholarBank@NUS Repository. https://doi.org/19/195503|
|Abstract:||Lyapunov-based quantum control has the advantage that it is free from the measurement-induced decoherence and it includes the instantaneous information of the system in the control. The Lyapunov control is often confronted with time delay in the control fields and difficulty in practical implementations of the control. In this paper, we study the effect of time delay on the Lyapunov control and explore the possibility of replacing the control field with a pulse train or a bang-bang signal. The efficiency of the Lyapunov control is also presented through examining the convergence time of the system. These results suggest that the Lyapunov control is robust against time delay, easy to realize and effective for high-dimensional quantum systems. © 2011 IOP Publishing Ltd.|
|Source Title:||Journal of Physics B: Atomic, Molecular and Optical Physics|
|Appears in Collections:||Staff Publications|
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