Experiments with levitated force sensor searching for dark energy fifth forces

Peiran Yin; Huang Pu

doi:10.1117/12.3012163

13 March 2024 Experiments with levitated force sensor searching for dark energy fifth forces

Peiran Yin, Huang Pu

Proceedings Volume PC12912, Quantum Sensing, Imaging, and Precision Metrology II; PC129121U (2024) https://doi.org/10.1117/12.3012163
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

Dark energy, a mysterious form of energy that pervades the entire universe, is believed to be responsible for the accelerated expansion of the universe. Various theoretical attempts have been made to explain its elusive nature. One appealing model is the so-called symmetron dark energy model, which predicts a fifth force that interacts with matter. However, the screening of the fifth force in high-density environments poses a challenge for laboratory experiments. Although several experiments have constrained certain aspects of the model's parameter space, a vast and unexplored parameter space still remains. Here, we have constructed a novel experimental platform based on a magnetically levitated force sensor to search for the symmetron fifth force at the sub-millimeter scale, with a specially designed structure to minimize screening effects. Through this approach, we have improved the limits of the model by over six orders of magnitude within the three-dimensional parameter space. Our findings demonstrate the tremendous potential of our system in probing forces beyond the standard model.

Conference Presentation

Citation Download Citation

Peiran Yin and Huang Pu "Experiments with levitated force sensor searching for dark energy fifth forces", Proc. SPIE PC12912, Quantum Sensing, Imaging, and Precision Metrology II, PC129121U (13 March 2024); https://doi.org/10.1117/12.3012163

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