Demonstration of a cold atom beam splitter on atom chip

Jiang Xiaojun^{1, 2}, Li Xiaolin¹, Zhang Haichao^{1, †,}, Wang Yuzhu^{1, ‡,}

The magnetic field in the x direction for different I_U. The bottom of the Z-trap (blue line) is very flat and has a non-zero field minimum. The center of the bottom has a zero field minimum (green and red lines) after switching on I_U.