Demonstration of simultaneous feedback cooling of two modes of a levitating milligram magnet in a superconducting trap to sub-2 pm amplitude and sub-10 mK temperature using SQUID readout and piezoelectric actuation.
Acceleration sensing with magnetically levitated oscillators above a superconductor,
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Picometer control of a levitating milligram gravity sensor
Demonstration of simultaneous feedback cooling of two modes of a levitating milligram magnet in a superconducting trap to sub-2 pm amplitude and sub-10 mK temperature using SQUID readout and piezoelectric actuation.