Direct loading of atoms from a macroscopic quadrupole magnetic trap into a microchip trap

Cheng Jun^{1, 2}, Zhang Jing-fang¹, Xu Xin-ping¹, Zhang Hai-chao^{1, †}, Wang Yu-zhu^{1, ‡}

(color online) (a) Plots of the magnetic field minimum along x-axis (a) and z-axis (b) illustrating the transformation of the final QMT into the microchip Z-trap, where β is 0, 1/6, 1/3, 1/2, 2/3, 5/6, and 1, respectively.