Abstract

The collective oscillations of a 2D quantum well electron plasma embedded in a semi-infinite host plasma medium (at a distancez0from the surface) are analyzed here, based on an explicit inversion of the joint dielectric function of the combined system in position representation in closed form. The coupling ofsurfaceand bulk plasmons of the host medium withintersubband and intrasubband plasmons of the quantum well, and the dependence of the coupled modes onz0are discussed.

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