Major reseach areas:

Institute of Acoustics

Electro-acoustics
The analysis and prediction of vibrations of small mass objects by means of modal analysis and E.S.P.I. Evaluation of subjective impression of loudness in musical signals.
Vibration patterns on a loudspeaker membrane in both transient and steady state.
Evaluation of the impairement of psychophysical auditory system features in the hearing of impaired people.
Sound attributes - subjective and objective evaluation.
Research on loudspeaker system directivity patterns in unsteady states.
Computer simulation of the sound reinforcement system for a room.

Environmental acoustics
Basic phenomena of sound propagation in the atmosphere.
Statistical properties of environmental noise.
Methods of traffic noise prediction.
Methods of railway noise prediction.
Perception of the annoyance and intrusiveness of sounds.
Dynamic aspects of masking (collaboration with Dep. of Exp. Psychology, Cambridge, U.K.).

Psycho- and room acoustics
Detection and discrimination of nondeterministic acoustic signals.
Binaural perception of AM and FM signals.
The analysis of the spectral structure of AM and FM signals propagating in a room.
Physical and psychoacoustic aspects of sound deformation in a room.

Molecular acoustics
The investigations of binary critical mixtures and complexing in solutions of liquids by an ultrasonic spectroscopy method.
The investigations of the influence of an external and constant electric and magnetic fields on the propagation of acoustic waves in two kinds of liquids: dielectric and magnetic.

Institute of Physics

Solid state theory
Theory of structural, electronic and magnetic phase transition. Theory of superconductivity. Theory of strongly correlated electron systems and hybridization effects. Incommensurate phases .
Theory of metamagnetism, phase transitions and critical phenomena, spin-wave resonance in the thin multilayer films, interlayer coupling and giant magnetoresistance. General theory of super-lattices. Disordered spin systems. Spin glass theory. Theory of sound propagation in the critical regime.

Quantum optics
Photon statistics, squeezed states of light, generalized Jaynes-Cummings models, collisionally induced light scattering, molecular dynamics in the nonlinear.

Foundation of statistical and quantum physics
Statistical mechanics of spin systems, theory of low-dimensional spin systems, theory of nonlinear evolution equations. Simulations of low-dimensional magnets and mesoscopic systems. Foundation of equilibrium and nonequilibrum statistical mechanics. Foundation of quantum theory.

Physics of crystals
Crystal growth from water solution and from the melt. Investigations of basic physical properties of ferroic /ferroelastic and ferroelectric/ materials.
High-pressure studies of phase transitions in molecular crystals.

Radiospectroscopy, macromolecular physics
NMR and NQR spectroscopy. Structure and dynamics of molecules and ions in crystals. Phase transitions in ionic and molecular crystals. Application of NMR under high pressure and NQR methods in medicine and biology; new NMR screens and coils designs and micro-imaging.
Microwave spectroscopy (EPR, ENDOR) to study electronic molecular structure and organometallic complexes. Applications of EPR method in pharmacology, medicine and molecular electronics.
Application of the numeric high resolution spectroscopic methods to analysis of electrocardiographic signals. Proposition of a new method in diagnosis of heart diseases.

Molecular biophysics
Investigation of conformations and interactions of nucleic acids and proteins in solutions. The conformational changes of tRNA, 5 S RNA and nondispersive fragments of DNA and proteins are studied by way of measuring hydrodynamic parameters of molecules in a solution using the techniques of static and dynamic light scattering and light scattering in a strong optical and magnetic field. The coefficients of translational diffusion of molecule, DT, and rotational diffusion, DR, are determined from measurements. This line of research involves analysis of linear and nonlinear changes of polarizability and optical anisotropy of biological macromolecules which provides the information on the rigidity of the electron structure and on the interaction of macromolecules with other molecules. Description of kinetics of biological macromolecules is supplemented with measurements of time variation of such phenomena as OEK and nonlinear light scattering.
Primary events in photosynthesis studied by absorption, fluorescence and photovoltage techniques in nano and picosecond time range. The ultrafast spectroscopy is applied for investigation of green plants and their photosynthetic apparatus. Also, theoretical description of light in the photosynthetic membranes is developed.
Statistical physics of proteins and theory of biochemical reactions, microscopic theory of enzymic catalysis statistical physics of polymers.

Physics of liquids
Physics of liquid dielectrics. Molecular interaction in solutions of polar liquids in nonpolar solvents.
Investigations of intermolecular interactions on liquids by electromagnetical methods.
X-ray studies of amorphous materials and molecular liquids.

Quantum electronics
Optical and laser properties of rare earth ions in stoichiometric crystals and glassy materials.
Theory of multiphoton processes. Laser induced autoionization and nonlinear optics phenomena in gases and liquids, ultrafast laser spectroscopy and photophysics of organic molecules.

Physics of magnetism and magnetic materials
Preparation and characterization of high-tech superconducting and magnetic materials. The relationship between the microstructure and magnetic properties of the ferrites. Mixed valence in transition metal oxides and chalcogenides. Noncrystalline thin films.

Didactics of physics
Physics teaching at school and university levels. Microcomputer based physics laboratory.
Physics teaching methods.

Astronomical Observatory:

Astrometry. Determination of the physical properties of minor planets from their light curves. Celestial mechanics. Stars astrophysics.