Field-free alignment dynamics of FCN molecule induced by a terahertz half-cycle pulse Qiyuan Cheng, Jingsong Liu, Xucong Zhou, Yuzhi Song and Qingtian Meng EPL, 125 3 (2019) 33001 Published online: 05 March 2019 DOI: 10.1209/0295-5075/125/33001