Yang, Pei
Xiong, Tao
Qiu, Jing-Mei
Xu, Zhengfu
Funding for this research was provided by:
Directorate for Mathematical and Physical Sciences (1217008)
Air Force Office of Scientific Research (FA9550-12-0318)
Directorate for Mathematical and Physical Sciences (1316662)
Article History
Received: 13 January 2015
Revised: 7 September 2015
Accepted: 11 September 2015
First Online: 19 September 2015