Plasmon bands in periodic conducting heterostructures
- 15 January 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 33 (2), 1405-1407
- https://doi.org/10.1103/physrevb.33.1405
Abstract
A hydrodynamic approach is used to develop a theory of the collective modes of a periodic system consisting of alternate degenerate semiconductor or metallic layers characterized by different equilibrium densities. The plasma modes propagate within the low-density layers, but not in the high-density ones. Due to the periodicity of the system, the modes in different layers interact to form plasmon bands.Keywords
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