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Effect of free carriers and impurities on density of states and optical spectra of two-dimensional magneto-excitons
Anna Gladysiewicz, Leszek Bryja, Arkadiusz Wojs +1
Density of states (DOS) and absorption spectrum of weakly doped, narrow quantum wells in high magnetic fields are calculated by realistic exact diagonalization. The systems contain…
Quasiexcitons in Incompressible Quantum Liquids
Arkadiusz Wojs, Anna Gladysiewicz, John J. Quinn
Photoluminescence (PL) has been used to study two-dimensional incompressible electron liquids in high magnetic fields for nearly two decades. However, some of the observed anomalie…
Interaction and dynamical binding of spin waves or excitons in quantum Hall systems
Arkadiusz Wojs, Anna Gladysiewicz, Daniel Wodzinski +1
Interaction between spin waves (or excitons) moving in the lowest Landau level is studied using numerical diagonalization. Becuse of complicated statistics obeyed by these composit…