Current around a power-law density inhomogeneity in 2D electron gas is exponentially suppressed within a no-go radius scaling with B, exhibiting spiraling patterns and a rotated resistivity dipole whose angle depends on the perturbation exponent.
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A linearized Boltzmann model in five-terminal geometry shows current partition diagnoses ballistic-hydrodynamic-Ohmic crossover and extracts momentum-relaxing and conserving scattering rates.
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Diffusive and hydrodynamic magnetotransport around a density perturbation in a two-dimensional electron gas
Current around a power-law density inhomogeneity in 2D electron gas is exponentially suppressed within a no-go radius scaling with B, exhibiting spiraling patterns and a rotated resistivity dipole whose angle depends on the perturbation exponent.
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Characterizing electronic scattering rates with transport in multiterminal devices
A linearized Boltzmann model in five-terminal geometry shows current partition diagnoses ballistic-hydrodynamic-Ohmic crossover and extracts momentum-relaxing and conserving scattering rates.