Charge Redistribution and Potential Barrier Reconstruction in SI GaAs Caused by EL2 State Change R. Kiliulis, V. Kažukauskas, J. Storasta and J.-V. Vaitkus J. Phys. I France, 6 9 (1996) 1165-1187 Accepted: 21 May 1996 DOI: 10.1051/jp1:1996122