論文 Realization of Topological Phase in a Chiral Honeycomb Lattice Model

Genki Yonezawa ORCID ; Jun-ichi Fukuda ORCID ; Toshikaze Kariyado SAMURAI ORCID

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引用
Genki Yonezawa, Jun-ichi Fukuda, Toshikaze Kariyado. Realization of Topological Phase in a Chiral Honeycomb Lattice Model. Journal of the Physical Society of Japan. 2025, 94 (2), 024702. https://doi.org/10.7566/jpsj.94.024702

説明:

(abstract)

We investigate topological properties of a chiral honeycomb lattice model with next-nearest- neighbor hoppings characterized by the reflection symmetry breaking. Topological nontrivi- ality is detected by analyzing effective Dirac Hamiltonian, and confirmed by numerical and analytical study of the emergence of topological edge states at the boundaries between topo- logically distinct regions. We have also discovered that a novel asymmetric edge current attributable to chirality can be excited without any involved phase shifts in input sources to pick up one of the pseudospin components.

権利情報:

キーワード: topological system, honeycomb lattice, chirality

刊行年月日: 2025-02-15

出版者: Physical Society of Japan

掲載誌:

  • Journal of the Physical Society of Japan (ISSN: 00319015) vol. 94 issue. 2 024702

研究助成金:

  • Japan Society for the Promotion of Science JP20K03844
  • Japan Society for the Promotion of Science JP21H01049

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5471

公開URL: https://doi.org/10.7566/jpsj.94.024702

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更新時刻: 2025-05-09 16:30:26 +0900

MDRでの公開時刻: 2025-05-09 16:21:38 +0900

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