Department of Physics:
Experimental topic:
Investigation of electron-atom collisions by coincidence electron spectrometry. The energy and angular distribution of electrons resulting from electron-atom collisions is investigated using cylindrical mirror electrostatic electron spectrometers. The physical processes studied are: inner shell ionization and excitation of atoms, distribution and peak shape of Auger electrons, post-collision interaction, Auger process following photoionization. Developments in recent years make it possible to simultaneously detect two electrons (e.g. Auger and ionization electrons) originating from a single elementary atomic process using the coincidence technique. “Simultaneity” actually means detection with a time resolution of 1 ns (10-9 s). Coincidence measurements are very long-term measurements, because the chance of detecting both electrons from an elementary process is small (in our system, a few events per minute). With our measurements – which have been ongoing since 2005 – we study the outer- and inner-shell processes of noble gas atoms, with particular attention to the Auger process following inner-shell excitation and the quantum mechanical interference between simultaneously occurring processes. Researchers: Dr. Béla Paripás, Dr. Béla Palásthy.
Theoretical topics:
Computational solid state physics. Determination of the ground state of strongly interacting electron systems: approximation-free results for the case of arbitrary strength Hubbard interaction. Analytical investigation and numerical simulation of the dynamics of magnetic multilayers and nanoparticle systems. Researcher: Dr. Endre Kovács
Astrophysics and general relativity. Gravitational waves generated by compact binary systems, detection of gravitational waves, signal searching algorithms, description and measurement of the properties of compact astrophysical objects, investigation of the accretion disk of black holes. In some of the research topics we collaborate with the staff of the Wigner Research Centre. Researchers: Dr. János Majár and Dr. Gábor Pszota
Department of Electrical and Electronic Engineering:
- Quality of electrical energy, detection of interference causes and reduction of their effects, elimination of interferences, low-frequency conducted and radiated interferences, energy efficiency.
- Development of computer-aided intelligent measurement systems, measurement methods and measuring equipment.
- Testing, modeling, and simulation of electrical systems of mechatronic elements.
- Specialized electric motors and drives.