Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons
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arXiv
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| Autores principales: | , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866910972991504384 |
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| author | Röper, Torsten Thomas, Hugo Rosenbach, Daniel Uday, Anjana Lippertz, Gertjan Denis, Anne Morfin, Pascal Taskin, Alexey A. Ando, Yoichi Bocquillon, Erwann |
| author_facet | Röper, Torsten Thomas, Hugo Rosenbach, Daniel Uday, Anjana Lippertz, Gertjan Denis, Anne Morfin, Pascal Taskin, Alexey A. Ando, Yoichi Bocquillon, Erwann |
| contents | The quantum anomalous Hall (QAH) effect, with its single chiral, topologically protected edge state, offers a platform for flying Majorana states as well as non-reciprocal microwave devices. While recent research showed the non-reciprocity of edge plasmons in Cr-doped $\mathrm{(Bi_xSb_\text{1-x})_2Te_3}$, the understanding of their dissipation remains incomplete. Our study explores edge plasmon dissipation in V-doped $\mathrm{(Bi_xSb_\text{1-x})_2Te_3}$ films, analyzing microwave transmission across various conditions. We identify interactions with charge puddles as a primary source of dissipation, providing insights critical for developing improved QAH-based technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_19983 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons Röper, Torsten Thomas, Hugo Rosenbach, Daniel Uday, Anjana Lippertz, Gertjan Denis, Anne Morfin, Pascal Taskin, Alexey A. Ando, Yoichi Bocquillon, Erwann Mesoscale and Nanoscale Physics The quantum anomalous Hall (QAH) effect, with its single chiral, topologically protected edge state, offers a platform for flying Majorana states as well as non-reciprocal microwave devices. While recent research showed the non-reciprocity of edge plasmons in Cr-doped $\mathrm{(Bi_xSb_\text{1-x})_2Te_3}$, the understanding of their dissipation remains incomplete. Our study explores edge plasmon dissipation in V-doped $\mathrm{(Bi_xSb_\text{1-x})_2Te_3}$ films, analyzing microwave transmission across various conditions. We identify interactions with charge puddles as a primary source of dissipation, providing insights critical for developing improved QAH-based technologies. |
| title | Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2405.19983 |