Camerer, S., Korppi, M., Jöckel, A., Hunger, D., Hänsch, T. W., & Treutlein, P. (2011). Realization of an Optomechanical Interface Between Ultracold Atoms and a Membrane. Physical Review Letters, 107(22):. doi:10.1103/PhysRevLett.107.223001.