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arxiv: 1809.00513 · v2 · submitted 2018-09-03 · ✦ hep-th · cond-mat.str-el

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Topological invariants for holographic semimetals

Yan Liu , Ya-Wen Sun
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classification ✦ hep-th cond-mat.str-el
keywords topologicalinvariantsholographicsemimetalsfunctionshamiltoniannontrivialsystems
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We study the behavior of fermion spectral functions for the holographic topological Weyl and nodal line semimetals. We calculate the topological invariants from the Green functions of both holographic semimetals using the topological Hamiltonian method, which calculates topological invariants of strongly interacting systems from an effective Hamiltonian system with the same topological structure. Nontrivial topological invariants for both systems have been obtained and the presence of nontrivial topological invariants further supports the topological nature of the holographic semimetals.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. D-instanton Effects on the Holographic Weyl Semimetals

    hep-th 2026-04 unverdicted novelty 5.0

    D-instantons induce a gapped topological insulator phase in holographic Weyl semimetals via phase diagrams from D7 brane free energy and non-linear conductivity calculations.