Odd-parity linear magnetoresistance and the planar Hall effect

Abstract

The phenomena of odd-parity magnetoresistance and the planar Hall effect are deeply entwined with ferromagnetism. The intrinsic magnetization of the ordered state permits these unusual and rarely observed manifestations of Onsager's theorem when time reversal symmetry is broken at zero applied field. Here we study two classes of ferromagnetic materials, rare-earth magnets with high intrinsic coercivity and antiferromagnetic pyrochlores with strongly-pinned ferromagnetic layers at domain walls, which both exhibit odd-parity magnetoresistive behavior. The peculiar angular variation of the response with respect to the relative alignments of the magnetization, magnetic field, and current reveal the two underlying microscopic mechanisms: spin-polarization-dependent scattering of a Zeeman-shifted Fermi surface and magnetoresistance driven by the anomalous velocity physics usually associated with the anomalous Hall effect.

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Cited by in corpus (12)

• Time-reversal-like degeneracies distinguished by the anomalous Hall effect in a metallic kagome ice compound
• A continuous metal-insulator transition driven by spin correlations
• Linear magnetoconductivity in magnetic metals
• Unconventional superconducting diode effects via antisymmetry and antisymmetry breaking
• LinReTraCe: The Linear Response Transport Centre
• Three-dimensional checkerboard spin structure on a breathing pyrochlore lattice
• Observation of the In-plane Anomalous Hall Effect induced by Octupole in Magnetization Space
• Theory of transverse magnetization in spin-orbit coupled antiferromagnets
• Giant gate-controlled odd-parity magnetoresistance in one-dimensional channels with a magnetic proximity effect
• Linear magneto-conductivity as a DC probe of time-reversal symmetry breaking
• Hall mass and transverse Noether spin currents in noncollinear antiferromagnets
• Odd-parity longitudinal magnetoconductivity in time-reversal symmetry broken materials