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Multiple magnetic barriers in graphene
Open accessAbstract
We study the behavior of charge carriers in graphene in inhomogeneous perpendicular magnetic fields. We consider two types of one-dimensional magnetic profiles, uniform in one direction: a sequence of $N$ magnetic barriers and a sequence of alternating magnetic barriers and wells. In both cases, we compute the transmission coefficient of the magnetic structure by means of the transfer-matrix formalism and the associated conductance. In the first case the structure becomes increasingly transparent upon increasing $N$ at fixed total magnetic flux. In the second case we find strong wave-vector filtering and resonant effects. We also calculate the band structure of a periodic magnetic superlattice and find a wave-vector-dependent gap around zero energy.
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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
Strain Engineering of Graphene’s Electronic Structure
Pereira, V. M., & Castro Neto, A. H. (2009) · Physical Review Letters · doi:10.1103/physrevlett.103.046801 · Cited by 1,075
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
- Dell’Anna, L., & De Martino, A.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2009-01-26
- Volume
- 79
- Issue
- 4
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1503958277
- Cited by
- 189
- References
- 2
- FWCI
- 9.25
- Type
- journal article
- Language
- en
- Open access
- green
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