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Prof.Niels Chr.Nielsen visited WIPM
Update time: 2009-08-21
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Prof.Niels Chr.Nielsen visited WIPM


  February 12, Prof. Niels Chr. Nielsen and his five group members flied to Wuhan from Aarhus, Denmark, and visited Institute of Physics and mathematics (WIPM), the Chinese Academy of Science, with invitation. As the head of laboratory for biomolecular NMR spectroscopy of University of Aarhus, Prof. Nielsen has a wide research interest, ranging from NMR methodological development to its application in structural biology.

  After scientific discussion between Nielsen’s group and biomolecular NMR group of WIPM, Prof. Nielsen presented a lecture on solid state NMR and the application of optimal control in NMR. Especially, the latter part attracted much interest of the listeners.

  Optimal control theory was introduced originally for optimizations in engineering and economy, which is able to deal with the optimization problems in large variable space. From 1980s, optimal control were applied in many magnetic resonance fields, such as MRI, liquid state NMR, solid state NMR, quantum computation and dynamic nuclear polarization. In NMR experiment, experimental condition and parameters, such as power level and length of RF pulses, temperature, can be optimized as variables in Hamiltonian with optimal control, to increase the performance of NMR experiment.


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