PHYSICAL REVIEW LETTERS

CHITTARI BL, CHEN GR, ZHANG YB, WANG F, JUNG J

PHYSICAL REVIEW LETTERS

WANG DM, CHEN GR, LI CK, CHENG M, YANG W, WU S, XIE GB, ZHANG J, ZHAO J, LU XB, CHEN P, WANG GL, MENG JL, TANG J, YANG R, HE CL, LIU DH, SHI DX, WATANABE K, TANIGUCHI T, FENG J, ZHANG YB, ZHANG GY