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cond-mat.mes-hall2022★ 2 cited
Anomalous acoustic plasmons in two-dimensional over-tilted Dirac bands
Chang-Xu Yan, Furu Zhang, Chao-Yang Tan +3
The over-tilting of Dirac cones has led to various fascinating quantum phenomena. Here we find that two anomalous acoustic plasmons (AAPs) are dictated by the distinct geometry of…
cond-mat.mes-hall2022★ 10 cited
Effects of spatial dimensionality and band tilting on the longitudinal optical conductivities in Dirac bands
Jian-Tong Hou, Chang-Xu Yan, Chao-Yang Tan +4
We report a unified theory based on linear response, for analyzing the longitudinal optical conductivity (LOC) of materials with tilted Dirac cones. Depending on the tilt parameter…