Anomalous orbital magnetism in Dirac-electron systems: Role of pseudospin paramagnetism

By M. Koshino, T. Ando. 2010

149 citations recorded by the source corpus.

The orbital diamagnetic susceptibility is calculated in monolayer and bilayer graphenes with band gap as well as in three-dimensional Dirac systems. It is demonstrated that the pseudo-spin degree of freedom such as valleys produces paramagnetic susceptibility in an equal manner as the real spin dominating over the Landau diamagnetism. The pseudo-spin paramagnetism explains the origin of a singular diamagnetism which is present only in the band-gap region and disappears rapidly inside the conduction and valence bands.

Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/4c24b26e9b18284867ad310fbcfa655f6749bf91

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In Atomic and Molecular Physics, and Optics

1. G. Burkard
2. A. Korm'anyos
3. N. Drummond
4. V. Z'olyomi

Citations in the corpus

• Spin-orbit coupling, quantum dots, and qubits in monolayer transition metal dichalcogenides (2013, background): “Similar effects have also been found in gapped monolayer [37] and bilayer [38,39] graphene, and have recently been noted for MoS2 as well [40–42]; therefore, we do not discuss them here in detail.”