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Floquet dynamics in multi-Weyl semimetals

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arxiv 1703.07271 v1 pith:FB3PPVAE submitted 2017-03-21 cond-mat.mes-hall

Amit Gupta This is my paper · ORCID
classification cond-mat.mes-hall
keywords phasesemimetalsanomalouschargedispersionhallhamiltoniansmodel
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Multi-Weyl semimetals(m-WSMS) are characterized by anisotropic non-linear energy dispersion along 2-D plane and a linear dispersion in orthogonal direction. They have topological charge J and are realized when two or multiple Weyl nodes with nonzero net monopole charge bring together onto a high-symmetry point. The model Hamiltonians of such systems show various phases such as trivial normal insulators (NIs), WSMs and quantum anomalous Hall(QAH) states depending on the model parameters. We study a periodic driving of such Hamiltonians in trivial NI phase by circularly polarized light and shows this phase can be tunable to Weyl semimetals phase. This transition can be accomplished with large anomalous Hall conductivity which could be observed in transport measurements or pump-probe angle resolved photoemission spectroscopy experiments.

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Cited by 2 Pith papers

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

  1. Phase transition from Weyl to self-linked semimetal using bi-circular laser

    cond-mat.mes-hall 2024-11 reject novelty 5.0 of 10

    The paper reports laser-tunable double-ring and self-linked Fermi surfaces in a non-Hermitian triple Weyl model, but the linked topology is inferred from 2D slices rather than proven.

  2. Helicons in multi-Weyl semimetals

    cond-mat.str-el 2025-04 reject novelty 4.0 of 10

    Helicon modes in multi-Weyl semimetals keep the linear-plus-quadratic wavevector dispersion of single Weyl semimetals, with the frequency scale set by charge-dependent plasma frequencies.

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