@article{6191, author = {W. Lai and M. Babiker and L. Allen}, title = {Radiation forces on a two-level atom in a σ+ - σ- configuration of Laguerre-Gaussian beams}, year = {1997}, journal = {Optics Communications}, volume = {133}, pages = {487-494}, month = {Jan-01-1997}, issn = {00304018}, url = {http://linkinghub.elsevier.com/retrieve/pii/S0030401896004324}, doi = {10.1016/S0030-4018(96)00432-4}, }