Reconstruction of surface electron spectrum and cyclotron motion in the CDW phase of Weyl semimetals
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| Format: | Preprint |
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2024
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| _version_ | 1866912234748248064 |
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| author | Grigoreva, Anna Andreev, Anton Glazman, Leonid |
| author_facet | Grigoreva, Anna Andreev, Anton Glazman, Leonid |
| contents | Charge density wave (CDW) instability drastically affects the surface electron spectrum of a Weyl semimetal. We show that in the CDW phase, the Fermi arcs reconnect into either closed Fermi loops or Frieze patterns traversing the reconstructed surface mini-Brillouin zone. For the closed reconnection topology, the application of an out-of-plane magnetic field leads to a cyclotron motion of the surface electrons. We determine the cyclotron frequency as a function of the electron energy and the magnitude of the CDW gap $Δ$ for various orientations of the Fermi arcs. For weak coupling, the period of cyclotron motion is dominated by the time of traversal of the arc reconnection regions and is inversely proportional to $Δ$. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_04721 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Reconstruction of surface electron spectrum and cyclotron motion in the CDW phase of Weyl semimetals Grigoreva, Anna Andreev, Anton Glazman, Leonid Mesoscale and Nanoscale Physics Strongly Correlated Electrons Charge density wave (CDW) instability drastically affects the surface electron spectrum of a Weyl semimetal. We show that in the CDW phase, the Fermi arcs reconnect into either closed Fermi loops or Frieze patterns traversing the reconstructed surface mini-Brillouin zone. For the closed reconnection topology, the application of an out-of-plane magnetic field leads to a cyclotron motion of the surface electrons. We determine the cyclotron frequency as a function of the electron energy and the magnitude of the CDW gap $Δ$ for various orientations of the Fermi arcs. For weak coupling, the period of cyclotron motion is dominated by the time of traversal of the arc reconnection regions and is inversely proportional to $Δ$. |
| title | Reconstruction of surface electron spectrum and cyclotron motion in the CDW phase of Weyl semimetals |
| topic | Mesoscale and Nanoscale Physics Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2405.04721 |