One-dimensional phase transitions in a two-dimensional optical lattice M. Rehn, S. Bergkvist, A. Rosengren, R. Saers, M. Zelán, E. Lundh and A. Kastberg Eur. Phys. J. D, 49 2 (2008) 223-230 Published online: 01 August 2008 DOI: 10.1140/epjd/e2008-00152-9