Decay of magnetoplasma oscillations in 2D electron channel under quantum-Hall-effect conditions
Govorkov S. A. , Reznikov M. I. , Medvedev B. K. , Mokerov V. G. , Senichkin A. P. , Tal'yanskii V. I.
The linewidth of magnetoplasma oscillations in a 2D channel in a GaAs-AlGaAs heterostructure has been measured in a transverse magnetic field corresponding to a quantized value of the Hall conductivity [axy = e2i/h = (12.9 kfl) ~ \ i = 2].