Two-dimensional topological Anderson insulator in quasi-ballistic transport mode
Kurmachev D. A.1,2, Kvon Z. D.1,2, Mikhailov N. N.2
1Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk State University, Novosibirsk, Russia
Email: kurmachevdmit@gmail.com, kvon@isp.nsc.ru, mikhailov@isp.nsc.ru
An experimental study of a two-dimensional topological Anderson insulator based on HgTe quantum wells in submicron-sized samples has been carried out, in which both diffusion and quasi-ballistic transport modes along edge current states are implemented. A comparative analysis of these modes allowed us to obtain information about the scattering behavior along the edge state. It is established that the inclusion of a magnetic field does not lead to localization effects in the onedimensional transport of edge states. Keywords: two-dimensional systems, semimetal, topological insulator, HgTe quantum well.
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