Published in Nature 419, pages 51–54.
Online text: arxiv.org/pdf/cond-mat/0207196
Cited passages: Greiner and others, manuscript pp. 3–4: preparation and switching; p. 7, Methods: wavelength, beam waists and lattice geometry; Manuscript p. 4 and figure 2 caption on p. 11: flight and image extraction; figure 3 caption on p. 12: readout limitations; figures 4–5 captions on pp. 13–14: final-depth and initial-depth comparisons; Manuscript pp. 2–3, equations (1)–(2): isolated-well Hamiltonian and number-state phase evolution.