Twisted photonic Weyl meta-crystals and aperiodic Fermi arc scattering
© 2024. The Author(s)..
As a milestone in the exploration of topological physics, Fermi arcs bridging Weyl points have been extensively studied. Weyl points, as are Fermi arcs, are believed to be only stable when preserving translation symmetry. However, no experimental observation of aperiodic Fermi arcs has been reported so far. Here, we continuously twist a bi-block Weyl meta-crystal and experimentally observe the twisted Fermi arc reconstruction. Although both the Weyl meta-crystals individually preserve translational symmetry, continuous twisting operation leads to the aperiodic hybridization and scattering of Fermi arcs on the interface, which is found to be determined by the singular total reflection around Weyl points. Our work unveils the aperiodic scattering of Fermi arcs and opens the door to continuously manipulating Fermi arcs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 18. März, Seite 2440 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Hanyu [VerfasserIn] |
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| Anmerkungen: |
Date Revised 21.03.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/s41467-024-46759-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM369892240 |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a As a milestone in the exploration of topological physics, Fermi arcs bridging Weyl points have been extensively studied. Weyl points, as are Fermi arcs, are believed to be only stable when preserving translation symmetry. However, no experimental observation of aperiodic Fermi arcs has been reported so far. Here, we continuously twist a bi-block Weyl meta-crystal and experimentally observe the twisted Fermi arc reconstruction. Although both the Weyl meta-crystals individually preserve translational symmetry, continuous twisting operation leads to the aperiodic hybridization and scattering of Fermi arcs on the interface, which is found to be determined by the singular total reflection around Weyl points. Our work unveils the aperiodic scattering of Fermi arcs and opens the door to continuously manipulating Fermi arcs | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Xu, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Zeyong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yiyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Zhanshan |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Xinbin |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Qinghua |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Jinhui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Zhihong |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Biao |e verfasserin |4 aut | |
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