%A %T %0 Journal Article %D 2014 %J 中国物理快报 %R 10.1088/0256-307X/31/12/127304 %P 127304-127304 %V 31 %N 12 %U {https://cpl.iphy.ac.cn/CN/abstract/article_62468.shtml} %8 2014-11-24 %X