Transport properties of the chiral zeroth Landau levels. (IMAGE)
Caption
a, The chiral zeroth Landau levels exhibit distinctive chiral transport characteristics. By introducing an inhomogeneous effective mass that linearly depends on the coordinate, the Dirac cone system generates a synthetic in-plane magnetic field (Bs). As a result, the zeroth mode of a single chirality within this system exhibit one-way propagation, where the zeroth modes with left and right chiralities counter-propagate in the specified direction. b, The transport of chiral zeroth Landau levels demonstrates remarkable resilience against defects within the bulk. Despite the introduction of a significant defect at the center of the sample, the chiral zeroth mode remains unaffected and unexpectedly bypasses the defect with negligible reflection.
Credit
by Hongwei Jia, Mudi Wang, Shaojie Ma, Ruo-Yang Zhang, Jing Hu, Dongyang Wang, C. T. Chan
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CC BY