Can the conductance step of a single-mode ballistic constriction be lower than 2e2/h?

CHI-TE LIANGTkachenko, O.A.O.A.TkachenkoTkachenko, V.A.V.A.TkachenkoBaksheyev, D.G.D.G.BaksheyevSimmons, M.Y.M.Y.SimmonsRitchie, D.A.D.A.Ritchie2019-12-202019-12-202004https://scholars.lib.ntu.edu.tw/handle/123456789/436759[SDGs]SDG7Can the conductance step of a single-mode ballistic constriction be lower than 2e2/h?conference paper10.1016/j.physe.2003.11.2652-s2.0-1842684670https://www.scopus.com/inward/record.uri?eid=2-s2.0-1842684670&doi=10.1016%2fj.physe.2003.11.265&partnerID=40&md5=ad1e2f13aa4ad66bd127f2f60bc91e33