Role of the local response of a photorefractive medium in the formation of a spatial screened soliton This article has been downloaded from IOPscience. Please scroll down to see the full text article. 2008 Quantum Electron. 38 859 (http://iopscience.iop.org/1063-7818/38/9/A12) Download details: IP Address: 152.3.102.242 The article was downloaded on 20/03/2013 at 09:15 Please note that terms and conditions apply. View the table of contents for this issue, or go to the journal homepage for more Home Search Collections Journals About Contact us My IOPscience