Isotope Low-Dimensional Structures

2002 Head of Department of Mathematics and Physics in Computer Science College 2001 Professor of Mathematics in Computer Science College. 1982 Full Professor in Institute of Physics of the Estonian Academy of Sciences (IPEAS). 1994-1995: Scientific Director of CSC. 1993-1994: Head of the Department of Applied Mathematics, International University (IU), Tallin, Estonia 1992-1994: Professor of Applied Mathematics (IU) Discovered the isotope effect of exciton binding energy (Wannier-Mott exciton model), experimental evidence of self-trapped electrons and quantum diffusion of Vk center in insulators as well as the effect of the isotope disorder on the phonon and exciton states

Elementary excitations of isotope-mixed crystals.- Methods of the preparation of low dimensional structures.- Electron excitations in low-dimensional structures.- Applications of low-dimensional structures.