Spin-orbit coupling effect in high-temperature superconductors Hao Meng, Hong-Wei Zhao, Ling-feng Zhang, Liang-Ma Shi, Guo-Qiao Zha and Shi-Ping Zhou EPL, 88 1 (2009) 17005 Published online: 16 October 2009 DOI: 10.1209/0295-5075/88/17005