The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Anomalous finite size effects on surface states in the topological insulatorBi2Se3
Open accessAbstract
We study how the surface states in the strong topological insulator ${\text{Bi}}_{2}{\text{Se}}_{3}$ are influenced by finite size effects and compare our results with those recently obtained for two-dimensional topological insulator HgTe. We demonstrate two important distinctions: (i) contrary to HgTe, the surface states in ${\text{Bi}}_{2}{\text{Se}}_{3}$ display a remarkable robustness towards decreasing the width $L$ down to a few nm thus ensuring that the topological surface states remain intact and (ii) the gapping due to the hybridization of the surface states features an oscillating exponential decay as a function of $L$ in ${\text{Bi}}_{2}{\text{Se}}_{3}$ in sharp contrast to HgTe. Our findings suggest that ${\text{Bi}}_{2}{\text{Se}}_{3}$ is suitable for nanoscale applications in quantum computing or spintronics. Also, we propose a way to experimentally detect both of the predicted effects.
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Cites
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Ando, Y. (2013) · Journal of the Physical Society of Japan · doi:10.7566/jpsj.82.102001 · Cited by 1,789
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Zhang, Y., He, K., Chang, C.-Z., Song, C.-L., Wang, L.-L., Chen, X., Jia, J.-F., Fang, Z., Dai, X., Shan, W.-Y., et al. (2010) · Nature Physics · doi:10.1038/nphys1689 · Cited by 1,454
Model Hamiltonian for topological insulators
Liu, C.-X., Qi, X.-L., Zhang, H., Dai, X., Fang, Z., & Zhang, S.-C. (2010) · Physical Review B · doi:10.1103/physrevb.82.045122 · Cited by 923
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Metadata
- Authors
- Linder, J., Yokoyama, T., & Sudbø, A.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2009-11-02
- Volume
- 80
- Issue
- 20
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2089974808
- Cited by
- 351
- References
- 24
- FWCI
- 12.45
- Type
- journal article
- Language
- en
- Open access
- green
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