/kloc-0 received his doctorate in physics department of Lanzhou university in June, 1990, and taught in physics department of Lanzhou university from July, 1983 to February, 1994. /kloc-0 was a visiting scholar at the Italian International Center for Theoretical Physics (ICTP) from August 1990 to October 1990./kloc-0 was promoted to associate professor in 1992. 1994 so far, teaching in the School of Science of Xi Jiaotong University. /kloc-0 was promoted to professor in 1997, and/kloc-0 was approved as doctoral supervisor in 1998. From May 5438, 2006 to May 2002, he was a visiting scholar at Hong Kong Baptist University. 1996-200 1 Director of the Department of Applied Physics of Xi Jiaotong University, and vice president of the School of Science of Xi Jiaotong University in 2003 12.