On searches for gravitational dark matter with quantum sensors
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The possibility of searching for dark matter with quantum sensors has recently received a lot of attention. In this short paper, we discuss the possibility of searching for gravitational dark matter with quantum sensors and identify a very narrow window of opportunity for future quantum sensors with improved sensitivity. Gravitational dark matter candidates with masses in the range [10-3, 1] eV could lead to an effective time variation of the proton mass that could be measured with, e.g., future atomic clocks.
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