Xu, S. Y.S. Y.XuLiu, C.C.LiuKushwaha, S. K.S. K.KushwahaSankar, R.R.SankarKrizan, J. W.J. W.KrizanBelopolski, I.I.BelopolskiNeupane, M.M.NeupaneBian, G.G.BianAlidoust, N.N.AlidoustChang, T. R.T. R.ChangJeng, H. T.H. T.JengHuang, C. Y.C. Y.HuangTsai, W. F.W. F.TsaiLin, H.H.LinShibayev, P. P.P. P.ShibayevChou, F. C.F. C.ChouCava, R. J.R. J.CavaHasan, M. Z.M. Z.Hasan2020-04-212020-04-21201500368075https://scholars.lib.ntu.edu.tw/handle/123456789/484995journal article10.1126/science.1256742