Search for correlation effects in linear chains of trapped ionsC. J. S. Donald, D. M. Lucas, P. A. Barton, M. J. McDonnell, J. P. Stacey, D. A. Stevens, D. N. Stacey and A. M. SteaneEurophys. Lett., 51 4 (2000) 388-394DOI: https://doi.org/10.1209/epl/i2000-00506-9