Quantum high-frequency conductivity oscillations in graphene multilayers and nodal semimetals in a tilted magnetic field
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- Pantoja, J.C.M., Sotelo-Campos, J. & Kozlov, I.V. Eur. Phys. J. B (2017) 90: 109. doi:10.1140/epjb/e2017-80194-4
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A new type of angular oscillations of the high-frequency conductivity for conductors with a band-contact line has been predicted. The effect is caused by groups of charge carriers near the self-intersection points of the Fermi surface, where the electron energy spectrum is near-linear and can be described by anisotropic Dirac cone model. The amplitude of the resonance peaks satisfies the simple sum rule. The ease in changing the degree of anisotropy of the Dirac cone due to the angle of inclination of the magnetic field makes the considered type of oscillations attractive for experimental observation of relativistic effects.