Rashba contribution of 2D Dirac–Weyl fermions: beyond ordinary quantum regime

Ahmed Jellal (), Dariush Jahani and Omid Akhavan
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Ahmed Jellal: Chouaïb Doukkali University
Dariush Jahani: Sharif University of Technology
Omid Akhavan: Sharif University of Technology

The European Physical Journal B: Condensed Matter and Complex Systems, 2023, vol. 96, issue 2, 1-6

Abstract: Abstract We study the energy levels of Dirac–Weyl fermions in graphene subject to a magnetic field with Rashba contribution in the minimal length situation. The exact solution for the energy dispersion of Dirac-like charge carriers coupled to the magnetic moments in a (2+1)-dimension is obtained by the use of the momentum space representation. Moreover, as it comes to applications for 2D Dirac-like quasiparticles, we also extend our theory and results in some special cases, showing that the emerging energy spectrum at the high magnetic field limit becomes independent of the Rashba coupling, $$\lambda _{R}$$ λ R , and the band index of Landau levels. Graphic Abstract

Date: 2023
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DOI: 10.1140/epjb/s10051-023-00480-8

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