Abstract
The surface plasmon dispersion relation for a two component degenerate plasma system is obtained in spherical geometry, using the hydrodynamical model. The general solution for arbitrary value of angular quantum number l has been shown to have two branches, one of higher frequency and another of lower frequency. The formalism is explicitly applied to the case of electron-hole droplets (EHD) in silicon and germanium, and the normal mode frequencies have been computed for l = O, 1 and 2 values
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