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- Publisher Website: 10.1103/PhysRevLett.129.263604
- Scopus: eid_2-s2.0-85144625066
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Article: Observation of Non-Abelian Charged Nodes Linking Nonadjacent Gaps
Title | Observation of Non-Abelian Charged Nodes Linking Nonadjacent Gaps |
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Authors | |
Issue Date | 23-Dec-2022 |
Publisher | American Physical Society |
Citation | Physical Review Letters, 2022, v. 129, n. 26, p. 1-7 How to Cite? |
Abstract | Nodal links are special configurations of band degeneracies in the momentum space, where nodal line |
Persistent Identifier | http://hdl.handle.net/10722/338935 |
ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 3.040 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wang, DY | - |
dc.contributor.author | Yang, B | - |
dc.contributor.author | Wang, MD | - |
dc.contributor.author | Zhang, RY | - |
dc.contributor.author | Li, X | - |
dc.contributor.author | Zhang, ZQ | - |
dc.contributor.author | Zhang, S | - |
dc.contributor.author | Chan, CT | - |
dc.date.accessioned | 2024-03-11T10:32:39Z | - |
dc.date.available | 2024-03-11T10:32:39Z | - |
dc.date.issued | 2022-12-23 | - |
dc.identifier.citation | Physical Review Letters, 2022, v. 129, n. 26, p. 1-7 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10722/338935 | - |
dc.description.abstract | <p>Nodal links are special configurations of band degeneracies in the momentum space, where nodal line<br>branches encircle each other. In PT symmetric systems, nodal lines can be topologically characterized<br>using the eigenvector frame rotations along an encircling loop and the linking structure can be described<br>with non-Abelian frame charges involving adjacent bands. While the commutation rules between the<br>frame charges are well established, the underlying relationship between distant band gap closing nodes<br>remains to be explored. In this Letter, we present a photonic multiple nodal links system, where the<br>nodal lines of nonadjacent bands are investigated with symmetry constraints on frame charges. Through<br>an orthogonal nodal chain, the nodal line from the lower two bands predicts the existence of nodal lines<br>formed between the higher bands. We designed and fabricated a metamaterial, with which the multiple<br>nodal links and the topological connection between nonadjacent nodal lines are experimentally<br>demonstrated.<br></p> | - |
dc.language | eng | - |
dc.publisher | American Physical Society | - |
dc.relation.ispartof | Physical Review Letters | - |
dc.title | Observation of Non-Abelian Charged Nodes Linking Nonadjacent Gaps | - |
dc.type | Article | - |
dc.identifier.doi | 10.1103/PhysRevLett.129.263604 | - |
dc.identifier.scopus | eid_2-s2.0-85144625066 | - |
dc.identifier.volume | 129 | - |
dc.identifier.issue | 26 | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 7 | - |
dc.identifier.eissn | 1079-7114 | - |
dc.identifier.isi | WOS:000906721500007 | - |
dc.identifier.issnl | 0031-9007 | - |