Excessive levitation for the efficient loading of large-volume optical dipole traps

Wang Xiaoqing¹, Li Yuqing^{1, 2, †}, Feng Guosheng¹, Wu Jizhou¹, Ma Jie^{1, 2}, Xiao Liantuan^{1, 2}, Jia Suotang^{1, 2}

(color online) Magnetic field gradient in the vertical direction as a function of time. The characteristic time was determined to be 1.2 ms by applying Eq. (1) to the variation of with time.