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We describe a proposed experimental search for exotic spin-dependentinteractions using rotationally modulated source masses and an atomicmagnetometer array. Rather than further improving the magnetometer sensitivity,noise reduction can be another way to reach higher measurement precision. Inthis work, we propose to use modulating techniques of the source masses toreduce the noise of the experiment. Better precision can be achieved if thefundamental frequency and harmonics of the rotating source masses are used todetect the new interactions. Furthermore, if an array of magnetometers areapplied, the statistic precision can be improved, and some common noises can becanceled. Our analysis and simulations indicate that the proposed experimentscheme can improve the detection precisions of three types of spin-dependentinteractions by as much as $\sim$5 orders in the force range of $\sim$cm to$\sim$10m.

Searching for Exotic Spin-Dependent Interactions Using Rotationally Modulated Source Masses and an Atomic Magnetometer Array