In CaIrO3 the Fermi velocity remains nearly constant across carrier densities, confirming k-linear Dirac dispersion, while magnetoresistance field scaling shifts from linear to super-quadratic at low densities due to enhanced Coulomb interactions in the quantum limit.
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2026 4representative citing papers
Impurity-scattering-induced coherence decay produces finite longitudinal conductivity in Berry-curvature-dominated topological insulators without Fermi-level carriers, with linear impurity scaling and 1/T temperature dependence.
Magnetoresistance originates from decoherence throughout the Fermi sea, with conductivity parameterized by two complex decoherence times that scales linearly with impurity density, unlike the inverse scaling in the Drude model.
Nodal-line semimetals show two quantum oscillation frequencies from their torus Fermi surface and nonsaturating but modest magnetoresistivity in low-energy models.
citing papers explorer
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Carrier-density dependence of magnetotransport in correlated Dirac semimetal CaIrO$_3$
In CaIrO3 the Fermi velocity remains nearly constant across carrier densities, confirming k-linear Dirac dispersion, while magnetoresistance field scaling shifts from linear to super-quadratic at low densities due to enhanced Coulomb interactions in the quantum limit.
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Metalization of topological insulators
Impurity-scattering-induced coherence decay produces finite longitudinal conductivity in Berry-curvature-dominated topological insulators without Fermi-level carriers, with linear impurity scaling and 1/T temperature dependence.
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Magnetoresistance from decoherence
Magnetoresistance originates from decoherence throughout the Fermi sea, with conductivity parameterized by two complex decoherence times that scales linearly with impurity density, unlike the inverse scaling in the Drude model.
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Quantum oscillations and nonsaturating magnetoresistivity in nodal-line semimetals
Nodal-line semimetals show two quantum oscillation frequencies from their torus Fermi surface and nonsaturating but modest magnetoresistivity in low-energy models.