Nanomechanical resonators with circular cavities detect electron vortices via magnetic torque-induced vibrations, distinguishing ballistic and hydrodynamic regimes and their temperature crossover.
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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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Nanomechanical detection of vortices in an electron fluid
Nanomechanical resonators with circular cavities detect electron vortices via magnetic torque-induced vibrations, distinguishing ballistic and hydrodynamic regimes and their temperature crossover.
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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.