Massive quantum systems as interfaces of quantum mechanics and gravity

S Bose, I Fuentes, AA Geraci, SM Khan… - ar** of a milligram-scale yttrium iron garnet sphere
M Fuwa, R Sakagami, T Tamegai - Physical Review A, 2023 - APS
We report passive magnetic levitation and three-dimensional harmonic trap** of a 0.3-
milligram, 0.5-millimeter-diameter yttrium iron garnet sphere at 4 K. The gradient of an …