We have measured the temperature dependence of the quantum Hall effect in single layer graphene for temperatures ranging from 4 to 300 K in magnetic fields up to 32 T. The gap between higher Landau levels measured at n ΒΌ 6 follows the classically expected behavior for broadened Landau levels. In con
The enigma of the quantum Hall effect in graphene
β Scribed by S. Das Sarma; Kun Yang
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 989 KB
- Volume
- 149
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Due to its fourfold spin-valley degeneracy, graphene in a strong magnetic field may be viewed as a four-component quantum Hall system. We investigate the consequences of this particular structure on a possible, yet unobserved, fractional quantum Hall effect in graphene within a trial-wavefunction ap
We present a unified description of the quantum Hall effect in monolayer, bilayer and trilayer graphene based on the supersymmetric formalism. The key property is that the Zeeman splitting is exactly as large as the Landau level separation for Dirac electrons. It follows that the zero-energy state e