Small anisotropy of the lower critical field and the s±-wave two-gap feature in single-crystal LiFeAsYoo Jang Song, Jin Soo Ghim, Jae Hyun Yoon, Kyu Joon Lee, Myung Hwa Jung, Hyo-Seok Ji, Ji Hoon Shim, Yunkyu Bang and Yong Seung KwonEPL, 94 5 (2011) 57008DOI: https://doi.org/10.1209/0295-5075/94/57008