Boundary conditions of Weyl semimetals

Koji Hashimoto; Taro Kimura; Xi Wu

doi:10.1093/ptep/ptx053

Boundary conditions of Weyl semimetals

Koji Hashimoto, Taro Kimura, Xi Wu

Faculty of Economics

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

We find that generic boundary conditions of theWeyl semimetal are dictated by only a single real parameter in the continuum limit. We determine how the energy dispersions (the Fermi arcs) and the wave functions of edge states depend on this parameter. Lattice models are found to be consistent with our generic observation. Furthermore, the enhanced parameter space of the boundary condition is shown to support a novel topological number.

Original language	English
Article number	053I01
Journal	Progress of Theoretical and Experimental Physics
Volume	2017
Issue number	5
DOIs	https://doi.org/10.1093/ptep/ptx053
Publication status	Published - 2017 May 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1093/ptep/ptx053

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abstract = "We find that generic boundary conditions of theWeyl semimetal are dictated by only a single real parameter in the continuum limit. We determine how the energy dispersions (the Fermi arcs) and the wave functions of edge states depend on this parameter. Lattice models are found to be consistent with our generic observation. Furthermore, the enhanced parameter space of the boundary condition is shown to support a novel topological number.",

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Boundary conditions of Weyl semimetals

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