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Quantum Hall States near the Charge-Neutral Dirac Point in Graphene
Open accessAbstract
We investigate the quantum Hall (QH) states near the charge-neutral Dirac point of a high mobility graphene sample in high magnetic fields. We find that the QH states at filling factors nu=+/-1 depend only on the perpendicular component of the field with respect to the graphene plane, indicating that they are not spin related. A nonlinear magnetic field dependence of the activation energy gap at filling factor nu=1 suggests a many-body origin. We therefore propose that the nu=0 and +/-1 states arise from the lifting of the spin and sublattice degeneracy of the n=0 Landau level, respectively.
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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
Experimental observation of the quantum Hall effect and Berry's phase in graphene
Zhang, Y., Tan, Y.-W., Stormer, H. L., & Kim, P. (2005) · Nature · doi:10.1038/nature04235 · Cited by 13,435
Self-citationZ 2 Topological Order and the Quantum Spin Hall Effect
Kane, C. L., & Mele, E. J. (2005) · Physical Review Letters · doi:10.1103/physrevlett.95.146802 · Cited by 6,460
Electronic properties of disordered two-dimensional carbon
Peres, N. M. R., Guinea, F., & Castro Neto, A. H. (2006) · Physical Review B · doi:10.1103/physrevb.73.125411 · Cited by 1,445
Landau Level Spectroscopy of Ultrathin Graphite Layers
Sadowski, M. L., Martinez, G., Potemski, M., Berger, C., & de Heer, W. A. (2006) · Physical Review Letters · doi:10.1103/physrevlett.97.266405 · Cited by 593
Cited by
The electronic properties of graphene
Castro Neto, A. H., Guinea, F., Peres, N. M. R., Novoselov, K. S., & Geim, A. K. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.109 · Cited by 24,803
“…of the√ n dependen e of the y lotron mass provides evi-den e for the existen e of massless Dira quasiparti- les in graphene (Dea on et al., 2007; Jiang et al., 2007a;Novoselov et al., 2005a; Zhang et al., 2005) - the usualparaboli (S hrödinger) dispersion implies a onstant y- lotron mass.2.”
BackgroundInfluentialProperties 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
Graphene and graphene oxide as nanomaterials for medicine and biology application
Priyadarsini, S., Mohanty, S., Mukherjee, S., Basu, S., & Mishra, M. (2018) · Journal of Nanostructure in Chemistry · doi:10.1007/s40097-018-0265-6 · Cited by 570
3D Graphene Materials: From Understanding to Design and Synthesis Control
Sun, Z., Fang, S., & Hu, Y. H. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00083 · Cited by 543
AC CONDUCTIVITY OF GRAPHENE: FROM TIGHT-BINDING MODEL TO 2 + 1-DIMENSIONAL QUANTUM ELECTRODYNAMICS
GUSYNIN, V. P., SHARAPOV, S. G., & CARBOTTE, J. P. (2007) · International Journal of Modern Physics B · doi:10.1142/s0217979207038022 · Cited by 420
Metadata
- Authors
- Jiang, Z., Zhang, Y., Stormer, H. L., & Kim, P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2007-09-06
- Volume
- 99
- Issue
- 10
- Pages
- 106802-106802
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1797949327
- Cited by
- 363
- References
- 5
- FWCI
- 14.63
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
