The state evolution formulation of teleportation for continuous variables Junxiang Zhang, Changde Xie, Fuli Li, Shi-Yao Zhu and M. Suhail Zubairy Europhys. Lett., 56 4 (2001) 478-484 Published online: 01 December 2003 DOI: 10.1209/epl/i2001-00544-3