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- W4386721486 abstract "Levitated diamond particles in high vacuum with internal spin qubits have been proposed for exploring macroscopic quantum mechanics, quantum gravity, and precision measurements. The coupling between spins and particle rotation can be utilized to study quantum geometric phase, create gyroscopes and rotational matter-wave interferometers. However, previous efforts in levitated diamonds struggled with vacuum level or spin state readouts. In addition, fast rotation of a levitated diamond has not been reported. To address these gaps, we fabricate an integrated surface ion trap with multiple stabilization electrodes. This facilitates on-chip levitation and, for the first time, optically detected magnetic resonance measurements of a nanodiamond levitated in high vacuum. The internal temperature of our levitated nanodiamond remains moderate below $10^{-5}$ Torr. Impressively, we have driven a nanodiamond to rotate up to 20 MHz ($1.2 times 10^{9}$ rpm), surpassing nitrogen-vacancy (NV) center electron spin dephasing rates. Using these NV spins, we observe the pseudo-magnetic field arising from particle rotation. In addition, we demonstrate quantum coherent control of spins in a rotating nanodiamond. These results mark an important development in interfacing mechanical rotation with spin qubits, expanding our capacity to study quantum phenomena." @default.
- W4386721486 created "2023-09-14" @default.
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- W4386721486 date "2023-09-11" @default.
- W4386721486 modified "2023-09-30" @default.
- W4386721486 title "Quantum control and fast rotation of levitated diamonds in high vacuum" @default.
- W4386721486 doi "https://doi.org/10.48550/arxiv.2309.05821" @default.
- W4386721486 hasPublicationYear "2023" @default.
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