The effects of the non-uniformity of Raman laser beams on an atom interferometerBing Cheng, Zhaoying Wang, Bin Wu, Aopeng Xu, Qiyu Wang and Qiang LinEur. Phys. J. D, 68 11 (2014) 343DOI: https://doi.org/10.1140/epjd/e2014-40698-1