Photogalvanic effect in HgTe/CdTe topological insulator due to edge-bulk optical transitions
- 1 Ph.D. (Phys.-Math.), Junior Research Scientist, Kotelnikov IRE RAS (Moscow)
- 2 Post-graduate Student, Kotelnikov IRE RAS (Moscow)
- 3 Dr.Sc. (Phys.-Math.), Kotelnikov IRE RAS (Moscow)
Abstract
We study theoretically edge-bulk optical transitions in 2D HgTe/CdTe topological insulator (THz range). We show that electron-hole asymmetry results in spin-dependent electric dipole transitions between edge and bulk states, and we predict an occurrence of a circular photocurrent.
How to cite
Асеев П.П., Каладжян В.О., Артеменко С.Н. Фотогальванический эффект вследствие оптических переходов между краевыми и объемными состояниями в топологическом изоляторе HgTe/CdTe // Нелинейный мир. 2016. № 1. С. 12–14.
References
- Konig M., Buhmann H. et al. The quantum spin Hall effect: theory and experiment // J. Phys. Soc. Jpn 77. 031007. 2008.
- Diehl H., Shalygin V.A. et al. Nonlinear magnetogyrotropic photogalvanic effect // Physical Review B. 88. 045414. 2013.
- Bernevig B.A., Hughes T.L., Zhang S.-C. Quantum spin Hall effect and topological phase transition in HgTe quantum wells // Science 314. 1757. 2006.
