NATURE PHYSICS

STEPANOV P, CHE S, SHCHERBAKOV D, YANG JW, CHEN RY, THILAHAR K, VOIGT G, BOCKRATH MW, SMIRNOV D, WATANABE K, TANIGUCHI T, LAKE RK, BARLAS Y, MACDONALD AH, LAU CN

PHYSICAL REVIEW LETTERS

SHI YM, CHE S, ZHOU K, GE SP, PI ZQ, ESPIRITU T, TANIGUCHI T, WATANABE K, BARLAS Y, LAKE R, LAU CN