Topological metals induced by Zeeman effect

21 Oct 2019 Sun Song Song Zhida Weng Hongming Dai Xi

In the present paper, we propose a new way to classify centrosymmetric metals by studying the Zeeman effect caused by an external magnetic field described by the momentum dependent g-factor tensor on the Fermi surfaces. Nontrivial U(1) Berry's phase and curvature can be generated once the otherwise degenerate Fermi surfaces are splitted by the Zeeman effect, which will be determined by both the intrinsic band structure and the structure of g-factor tensor on the manifold of the Fermi surfaces... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS
  • MATERIALS SCIENCE