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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The authors predict that measuring increased frequency variance in a megahertz resonator due to fluctuating nuclear spin polarization enables single nuclear spin detection with existing devices.
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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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Near-resonant nuclear spin detection with megahertz mechanical resonators
The authors predict that measuring increased frequency variance in a megahertz resonator due to fluctuating nuclear spin polarization enables single nuclear spin detection with existing devices.