Shifting the boundaries: Pulse-shape effects in the atom-optics kicked rotor P. H. Jones, M. Goonasekera, H. E. Saunders-Singer and D. R. Meacher Europhys. Lett., 67 6 (2004) 928-933 Published online: 01 September 2004 DOI: 10.1209/epl/i2004-10198-1