Generation of Ising interaction and cluster states in a one-dimensional coupled resonator waveguide P. B. Li, Y. Gu, Q. H. Gong and G. C. Guo Eur. Phys. J. D, 55 1 (2009) 205-209 Published online: 30 June 2009 DOI: 10.1140/epjd/e2009-00188-3