Stanislav Hasoň1, František Jelen1, Lukáš Fojt1,2, Vladimír Vetterl1,2
1Institute of Biophysics, Academy of Science of the Czech Republic, Královopolská 135, CZ-612 65 Brno, Czech Republic
2Institute of Condensed Matter Physics, Faculty of Science, Masaryk University, Kotlářská 2, CZ-611 37 Brno, Czech Republic