Essert, Sven and Richter, Klaus (2015) Magnetotransport in disordered two-dimensional topological insulators: signatures of charge puddles. 2D MATERIALS, 2 (2): 024005. ISSN 2053-1583,
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In this numerical study we investigate the influence and interplay of disorder, spin-orbit coupling and magnetic field on the edge-transport in HgTe/CdTe quantum wells in the framework of coherent elastic scattering. We show that the edge states remain unaffected by the combined effect of moderate disorder and a weak magnetic field at realistic spin-orbit coupling strengths. Agreement with the experimentally observed linear magnetic field dependence for the conductance of long samples is obtained when considering the existence of charge puddles.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | STATE; 2d topological insulators; HgTe/CdTe quantum wells; magnetotransport; charge puddles; spin-orbit coupling; disorder |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 11 Jul 2019 12:58 |
| Last Modified: | 11 Jul 2019 12:58 |
| URI: | https://pred.uni-regensburg.de/id/eprint/5371 |
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