SCIENCE

YANG JX, CHEN GR, HAN TY, ZHANG QH, ZHANG YH, JIANG LL, LYU B, LI HY, WATANABE K, TANIGUCHI T, SHI ZW, SENTHIL T, ZHANG YB, WANG F, JU L

PHYSICAL REVIEW LETTERS

HAN TY, YANG JX, ZHANG QH, WANG L, WATANABE K, TANIGUCHI T, MCEUEN PL, JU L