One-step preparation of three-particle Greenberger-Horne-Zeilinger state via quantum Zeno dynamics Z.C. Shi, Y. Xia, H.Z. Wu and J. Song Eur. Phys. J. D, 66 5 (2012) 127 Published online: 17 May 2012 DOI: 10.1140/epjd/e2012-20733-1