One-dimensional phase transitions in a two-dimensional optical latticeM. Rehn, S. Bergkvist, A. Rosengren, R. Saers, M. Zelán, E. Lundh and A. KastbergEur. Phys. J. D, 49 2 (2008) 223-230DOI: https://doi.org/10.1140/epjd/e2008-00152-9