Modelling the angle-dependent magnetoresistance oscillations of Fermi surfaces with hexagonal symmetry

Abstract

By solving the Boltzmann transport equation we investigate theoretically the general form of oscillations in the resistivity caused by varying the direction of an applied magnetic field for the case of quasi-two dimensional systems on hexagonal lattices. The presence of the angular magnetoresistance oscillations can be used to map out the topology of the Fermi surface and we study how this effect varies as a function of the degree of interplane warping as well as a function of the degree of isotropic scattering. We find that the angular dependent effect due to in-plane rotation follows the symmetry imposed by the lattice whereas for inter-plane rotation the degree of warping dictates the dominant features observed in simulations. Our calculations make predictions for specific angle-dependent magnetotransport signatures in magnetic fields expected for quasi-two dimensional hexagonal compounds similar to PdCoO2 and PtCoO2.

arXiv comment12 pages, 8 figures

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Cited by in corpus (6)

• Directional ballistic transport in the two-dimensional metal PdCoO2
• $h/e$ Oscillations in Interlayer Transport of Delafossites
• Bloch-Lorentz magnetoresistance oscillations in delafossites
• Singular angular magnetoresistance and sharp resonant features in a high-mobility metal with open orbits, ReO3
• Angle-dependent magnetoresistance as a probe of Fermi surface warping in HgBa${}_2$CuO${}_{4+\delta }$
• Spin Hall and Edelstein effects in a ballistic quantum dot with Rashba spin-orbit coupling