March 29(Fri) - March 29(Fri), 2013
1. Title : Hedgehog spin texture and Berry’s phase tuning in a magnetic topological insulator Author : Su-Yang Xu, Madhab Neupane, Chang Liu, Duming Zhang, Anthony Richardella, L. Andrew Wray, Nasser Alidoust, Mats Leandersson, Thiagarajan Balasubramanian, Jaime S?nchez-Barriga, Oliver Rader, Gabriel Landolt, Bartosz Slomski, Jan Hugo Dil, J?rg Osterwalder, Tay-Rong Chang, Horng-Tay Jeng, Hsin Lin, Arun Bansil, Nitin Samarth & M. Zahid Hasan Journal : Nature Physics 8, 616?622 (2012) Presented by S.W.Jung ======================================================================= 2. Title : Creation of helical Dirac fermions by interfacing two gapped systems of ordinary fermions Author : Wang ZF, Yao MY, Ming W, Miao L, Zhu F, Liu C, Gao CL, Qian D, Jia JF, Liu F. Journal : Nature Communications 4, 1384 (2013) Presented by K.H.Jin