Searching spin-mass interaction using a diamagnetic levitated magnetic resonance force sensor

• URL: http://arxiv.org/abs/2010.14199v3
• Date: Sun, 7 Mar 2021 13:29:17 GMT
• Title: Searching spin-mass interaction using a diamagnetic levitated magnetic resonance force sensor
• Authors: Fang Xiong, Tong Wu, Yingchun Leng, Rui Li, Changkui Duan, Xi Kong, Pu Huang, Zhengwei Li, Yu Gao, Xing Rong and Jiangfeng Du
• Abstract summary: Axion-like particles (ALPs) are predicted to mediate exotic interactions between spin and mass. The proposed experiment tests the spin-mass resonant interaction between the polarized electron spins and a diamagnetically levitated microsphere. The levitated microoscillator can prospectively enhance the sensitivity by nearly $103$ times over current experiments for ALPs with mass in the range 4 meV to 0.4 eV.
• Score: 19.030035722672284
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Axion-like particles (ALPs) are predicted to mediate exotic interactions between spin and mass. We propose an ALP-searching experiment based on the levitated micromechanical oscillator, which is one of the most sensitive sensors for spin-mass forces at a short distance. The proposed experiment tests the spin-mass resonant interaction between the polarized electron spins and a diamagnetically levitated microsphere. By periodically flipping the electron spins, the contamination from nonresonant background forces can be eliminated. The levitated microoscillator can prospectively enhance the sensitivity by nearly $10^3$ times over current experiments for ALPs with mass in the range 4 meV to 0.4 eV.

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