Topological transition induced by selective random defects on a honeycomb lattice
Fuente:
arXiv
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Preprint |
| Veröffentlicht: |
2025
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1866914468585275392 |
|---|---|
| author | Ikegami, Sogen Fukui, Kiyu Okumura, Shun Kato, Yasuyuki Motome, Yukitoshi |
| author_facet | Ikegami, Sogen Fukui, Kiyu Okumura, Shun Kato, Yasuyuki Motome, Yukitoshi |
| contents | We investigate how the spectral and topological properties of electron systems evolve on a lattice that interpolates between the honeycomb and its 1/6-depleted structures through the introduction of selective random defects. We find that in certain parameter regimes, the topological properties of the two lattice systems are smoothly connected, whereas in other regimes, selective random defects induce a topological transition. Analysis based on an effective model reveals that the effect of selective random defects can be understood as a modulation of hopping amplitudes. Our results highlight the potential for designing and controlling the spectral and even topological properties of electronic systems across a wide range of material platforms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_14134 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Topological transition induced by selective random defects on a honeycomb lattice Ikegami, Sogen Fukui, Kiyu Okumura, Shun Kato, Yasuyuki Motome, Yukitoshi Disordered Systems and Neural Networks Mesoscale and Nanoscale Physics Strongly Correlated Electrons We investigate how the spectral and topological properties of electron systems evolve on a lattice that interpolates between the honeycomb and its 1/6-depleted structures through the introduction of selective random defects. We find that in certain parameter regimes, the topological properties of the two lattice systems are smoothly connected, whereas in other regimes, selective random defects induce a topological transition. Analysis based on an effective model reveals that the effect of selective random defects can be understood as a modulation of hopping amplitudes. Our results highlight the potential for designing and controlling the spectral and even topological properties of electronic systems across a wide range of material platforms. |
| title | Topological transition induced by selective random defects on a honeycomb lattice |
| topic | Disordered Systems and Neural Networks Mesoscale and Nanoscale Physics Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2511.14134 |