Nonlocality effects of a bulk semiconductor plasma in interaction with quantum well superlattice plasmons

Yüksel Ayaz and Norman J. M. Horing
Phys. Rev. B 61, 12636 – Published 15 May 2000
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Abstract

An explicit closed form determination of the inverse dielectric function for an N-sheet two-dimensional (2D) electron superlattice embedded in a nonlocal bulk host semiconductor plasma is presented here, as well as for an infinite superlattice. The coupled plasmon dispersion relation is analyzed for the model in which the 2D quantum wells constituting the superlattice have just one occupied subband and the bulk plasma of the host has hydrodynamic nonlocality. Nonlocal corrections are obtained for a hybrid superlattice plasmon in interaction with the host bulk plasmon. In addition, we find that this model predicts a new nonlocal low-frequency mode.

  • Received 2 September 1999

DOI:https://doi.org/10.1103/PhysRevB.61.12636

©2000 American Physical Society

Authors & Affiliations

Yüksel Ayaz* and Norman J. M. Horing

  • Department of Physics and Engineering Physics, Stevens Institute of Technology, Hoboken, New Jersey 07030

  • *Permanent address: Fizik Bölümü, Zonguldak Karaelmas Üniversitesi, Fen-Edebiyat Fakültesi, 67100, Zonguldak, Turkey.

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Issue

Vol. 61, Iss. 19 — 15 May 2000

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