Annual report 85

Scientific activity is grouped into ''colleges''. College 2 covers theoretical physics ranging from solid state physics through statistical mechanics to high energy physics (surface physics; disordered and stochastic systems; magnetism; phase transitions; physics of fluids; nuclear and high energy physics). The main fields studied by college 3 are thermal neutron induced fission, nuclear structure studies and in the fundamental physics domain a completely new ultra cold neutron - very cold neutron facility has been added. Most of experiments, in college 4 (structural and magnetic excitations) were devoted to magnetic phenomena, nevertheless lattice properties are still of interest. Scientific highlights for college 5 (crystal and magnetic structures) are the maximum entropy method, ab initio structure solution, organic superconductors, nuclear and magnetic extinction, neutron topography, thermodiffractometry in magnetic systems, magnetic phase transitions in spin ordering in iron silicates, covalent spin density in CrBr3. Trends of college 6 ( liquids, disorder and defects in materials) are fractons, quantum liquids, amorphous structures, diffusion in the liquid and amorphous phase, bulk diffusion, dynamics of hydrogen in crystalline and amorphous materials, spinodal decomposition, point defects in metals in thermal equilibrium. One college still is for biochemistry, the last one for chemistry