Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons

التفاصيل البيبلوغرافية
العنوان: Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons
المؤلفون: Röper, Torsten, Thomas, Hugo, Rosenbach, Daniel, Uday, Anjana, Lippertz, Gertjan, Denis, Anne, Morfin, Pascal, Taskin, Alexey A., Ando, Yoichi, Bocquillon, Erwann
سنة النشر: 2024
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Mesoscale and Nanoscale Physics
الوصف: 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.
Comment: 6 pages, 4, figures
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2405.19983
رقم الأكسشن: edsarx.2405.19983
قاعدة البيانات: arXiv