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We explore the ability of existing mechanical systems to detect the force associated with chameleon dark energy. We show that the current generation of two mechanical systems experiments involving levitated microspheres and torsion balances have the sensitivity to rule out a significant portion of unprobed chameleon parameter space. We also indicate regions of theoretically well-motivated chameleon parameter space to guide future experimental work.
Swati Singh
"Searching for chameleon dark energy with mechanical systems", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC126490V (5 October 2023); https://doi.org/10.1117/12.2692403
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Swati Singh, "Searching for chameleon dark energy with mechanical systems," Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC126490V (5 October 2023); https://doi.org/10.1117/12.2692403