Trapped-ion Lissajous trajectories by engineering Rashba- and Dresselhaus-type spin-orbit interactions in a Paul trapR. F. Rossetti, G. D. de Moraes Neto, J. Carlos Egues and M. H. Y. MoussaEPL, 115 5 (2016) 53001DOI: https://doi.org/10.1209/0295-5075/115/53001