中国科学院物理研究所,北京,100080;
Department of Electrical and Computer Engineering and Center for Computation and Technology,Louisiana State University,Baton Rouge 70803,USA;
清华大学机械工程系,北京,100084;
Department of Materials Science and Engineering,University of Utah,Salt Lake City,84112,USA;
中国科学院物理研究所,北京,100080;