MAGNETOPLASMA OSCILLATIONS OF A 2-DIMENSIONAL, 2-COMPONENT PLASMA

We investigate the magnetoplasma excitations in a system comprised of two parallel two-dimensional conducting layers separated by a distance 2d > 0. The individual layers are assumed to have, in general, differ ent effective masses, particle densities and charges. The dispersion e quations are derived quantum mechanically within the random phase appr oximation and the spectrum of the long wavelength collective modes is calculated. We also investigate the mutual phase of two-dimensional ma gnetoplasma oscillations and show that this mutual phase is similar to that in the three-dimensional case and does not depend on the interla yer distance.