Institution: | [1]Key Laboratory of Beam Technology and Materials Modification of the Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875 [2]Department of Physics, Anshan Normal University, Anshan 114005 [3]Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, Beijing 100088 [4]Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University, Hangzhou 310027 [5]Institut fur Theoretische Physik I, Ruhr-Universigt Bochum, D-44780 Bochum, Germany |