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Condensed Matter > Strongly Correlated Electrons

arXiv:1503.07913 (cond-mat)
[Submitted on 26 Mar 2015 (v1), last revised 22 Jun 2015 (this version, v2)]

Title:Surface Fermi arcs in $Z_2$ Weyl semimetals $A_3 Bi$ (A=Na, K, Rb)

Authors:E. V. Gorbar, V. A. Miransky, I. A. Shovkovy, P. O. Sukhachov
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Abstract:The surface Fermi arc states in $Z_2$ Weyl semimetals $A_3 Bi$ (A=Na, K, Rb) are studied by employing a continuum low-energy effective model. It is shown that the surface Fermi arc states can be classified with respect to the ud-parity symmetry. Because of the symmetry, the arcs come in mirror symmetric pairs. The effects of symmetry breaking terms on the structure of the Fermi arcs are also studied. Among other results, we find at least two qualitatively different types of the surface Fermi arcs. The arcs of the first type link disconnected sheets of the bulk Fermi surface, while arcs of the second type link different points of the same bulk Fermi surface sheet.
Comments: 17 pages, 4 multi-panel figures; v2: published version with minor corrections, new references and a slightly reorganized text
Subjects: Strongly Correlated Electrons (cond-mat.str-el); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1503.07913 [cond-mat.str-el]
  (or arXiv:1503.07913v2 [cond-mat.str-el] for this version)
  https://doi.org/10.48550/arXiv.1503.07913
Journal reference: Phys. Rev. B 91, 235138 (2015)
Related DOI: https://doi.org/10.1103/PhysRevB.91.235138

Submission history

From: Igor Shovkovy [view email]
[v1] Thu, 26 Mar 2015 21:45:40 UTC (1,089 KB)
[v2] Mon, 22 Jun 2015 22:02:01 UTC (1,091 KB)
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