Large-scale quantum computation in an anharmonic linear ion trapG.-D. Lin, S.-L. Zhu, R. Islam, K. Kim, M.-S. Chang, S. Korenblit, C. Monroe and L.-M. DuanEPL, 86 6 (2009) 60004DOI: https://doi.org/10.1209/0295-5075/86/60004