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Optical Angular Momentum
In recent yeam much aaention has been paid to the quantized evolution of the centreof-mass momentum and position of ultracold atoms in light fields. We consider the effects resulting from the quantization of the extemal angular momentum variables. We investigate how spin and orbital angular momentum of light are transferred to internal and extemal angular momenhlm of an atom in dipole and quadrupole h'ansitions. dimensions  and to different atomic transitions . Another example is thedoi:10.1887/0750309016/b1142c36 fatcat:t3zs647r3bcodixvzlwqts24oy