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A $^{3}$He-$^{21}$Ne Ramsey Comagnetometer with sub-nHz frequency resolution https://arxiv.org/abs/2509.13486 #physicsatomph #physicsinsdet
A $^{3}$He-$^{21}$Ne Ramsey Comagnetometer with sub-nHz frequency resolution https://arxiv.org/abs/2509.13486 #physicsatomph #physicsinsdet