Li, Yaming, et al. “Atomic Number Fluctuations in Spinor Bose–Einstein Condensate With Dynamical Quantum Phase Transitions”. Acta Physica Polonica A ISSN 1898-794X , vol. 143, no. 1, Feb. 2023, p. 83, https://doi.org/10.12693/APhysPolA.143.83.