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- Title
Increasing Spin-Orbital Coupling at Relativistic Exchange Interaction of Electron-Hole Pairs in Graphene.
- Authors
Grushevskaya, H. V.; Krylov, G. G.
- Abstract
Abstract: Graphene model with a high-energy k · p-Hamiltonian has been proposed. A feature of the model is the increasing spin-orbital coupling at relativistic exchange interactions of electron-hole pairs. Topological nontriviality of the model has been established by non-abelian Zak phase calculations. It has been shown that the homotopy group of the model is Z2 × Z4.
- Subjects
SPIN-orbit coupling constants; ELECTRON-hole droplets; GRAPHENE; QUANTUM theory; SEMICONDUCTORS
- Publication
Semiconductors, 2018, Vol 52, Issue 14, p1879
- ISSN
1063-7826
- Publication type
Article
- DOI
10.1134/S1063782618140129