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) The contour map of the magnetic field through the microchip Z-trap center when , in the plane of . The red dashed wire presents the chip Z-shaped wire. The magnetic field distribution through the microchip Z-trap center along the y-axis (b) and the z-axis (c), when and respectively.