Abstract
With the development of microwave atomic clocks, the Zeeman shifts for the spectral lines of black-body radiation need to be investigated carefully. In this paper, the frequency shifts of hyperfine splittings of atomic ground states due to the magnetic field of black-body radiation are reported. The relative frequency shifts of different alkali atoms and alkali-like ions, which could be candidates of microwave atomic clocks, were calculated. The results vary from −0.977 × 10−17[T(K)/300]2 to −1.947 × 10−17[T(K)/300]2 for different atoms considered. These results are consistent with previous work but with greater precision, detailed derivations, and a clear physical picture.
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Han, J., Zuo, Y., Zhang, J. et al. Theoretical investigation of the black-body Zeeman shift for microwave atomic clocks. Eur. Phys. J. D 73, 9 (2019). https://doi.org/10.1140/epjd/e2018-90342-1
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DOI: https://doi.org/10.1140/epjd/e2018-90342-1