Enhancement of the photoassociation of ultracold atoms via a non-resonant magnetic field

Wu Ji-Zhou^{1, 2}, Li Yu-Qing^{1, 2, †}, Liu Wen-Liang^{1, 2}, Li Peng³, Wang Xiao-Feng¹, Chen Peng¹, Ma Jie^{1, 2, 3}, Xiao Lian-Tuan^{1, 2}, Jia Suo-Tang^{1, 2}

(a) Theoretical scattering length. (b) PA rate coefficient as a function of magnetic field for rotational level J = 2 in v = 10. The dots are experimental data. The solid lines are the results of theoretical calculation. The dashed lines show the PA rate coefficient without the magnetic field.