Author(s): |
Yue Ma, College of physics science and technology, Shenyang normal university, Shenyang, China Yufu Deng, College of physics science and technology, Shenyang normal university, Shenyang, China Shuzhi Zhang, College of physics science and technology, Shenyang normal university, Shenyang, China Xin Shao, College of physics science and technology, Shenyang normal university, Shenyang, China Guiying Yu, College of physics science and technology, Shenyang normal university, Shenyang, China |