Quantum transport on the surfaces of topological nodal-line semimetals
Jun-Jie Fu,
Shu-Tong Guan,
Jiao Xie
et al.
Abstract:Topological nodal-line semimetals are always characterized by the drumhead surface states at the open boundaries. In this paper we first derive an analytical expression for the surface Green’s function of a nodal-line semimetal. By making use of this result, we explore the charge and spin transport properties of a metallic chain on the surface of a nodal line semimetal, as functions of the gate voltage applied on the top of the material. According to the size of the nodal loop, due to the coupling to the surfa… Show more
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