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Quasibound states of quantum dots in single and bilayer graphene
Open accessAbstract
Dirac fermions interacting with a cylindrically symmetric quantum dot potential created in single and bilayer graphene are not confined but form quasibound states. The broadening of these quasibound states (i.e., the inverse of their lifetimes) decreases (increases) with the orbital momentum of the electron in the case of graphene (bilayer). Quasibound states with energy below (above) the barrier height are dominantly electronlike (holelike). A remarkable decrease of the energy level broadening is predicted for electron energies close to the barrier height, which are a consequence of the total internal reflection of the electronic wave at the dot edge.
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Citations
Cites
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Chiral tunnelling and the Klein paradox in graphene
Katsnelson, M. I., Novoselov, K. S., & Geim, A. K. (2006) · Nature Physics · doi:10.1038/nphys384 · Cited by 3,896
Cited by
Properties of graphene: a theoretical perspective
Abergel, D. S. L., Apalkov, V., Berashevich, J., Ziegler, K., & Chakraborty, T. (2010) · Advances in Physics · doi:10.1080/00018732.2010.487978 · Cited by 1,152
Magnetic Impurities on the Surface of a Topological Insulator
Liu, Q., Liu, C.-X., Xu, C., Qi, X.-L., & Zhang, S.-C. (2009) · Physical Review Letters · doi:10.1103/physrevlett.102.156603 · Cited by 607
Rozhkov, A. V., Giavaras, G., Bliokh, Y. P., Freilikher, V., & Nori, F. (2011) · Physics Reports · doi:10.1016/j.physrep.2011.02.002 · Cited by 340
Metadata
- Authors
- Matulis, A., & Peeters, F. M.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2008-03-14
- Volume
- 77
- Issue
- 11
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2018274107
- Cited by
- 191
- References
- 2
- FWCI
- 8.42
- Type
- journal article
- Language
- en
- Open access
- bronze
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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