Geodesic
The influence of electromagnetic field on plasma oscillations in two-dimensional electronic systems with superstructure
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 152 (2010) no. 2, pp. 54-60

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The influence of high-frequency electric field on plasma oscillations in a system, consisting of two two-dimensional electronic gases, one of which represents a system with periodic potential (superstructure), and another one has a parabolic energy spectrum of charge carriers, is investigated. For the case of high temperatures ($\Delta\ll T$, $\Delta$ is the conduction minizone width, and $T$ is the temperature in energy units) the spectrum of the coupled plasmons $\omega(k)$, where $k$ is the wave number, is calculated. The frequency of the coupled plasmons is found to be an oscillating function of the electromagnetic field amplitude. The calculations are performed on the basis of the quantum theory of plasma oscillations in a random-phase approximation.
Keywords: two-dimensional electronic gas, plasma ocsillations. 
@article{UZKU_2010_152_2_a7,
     author = {S. Yu. Glazov and E. S. Kubrakova},
     title = {The influence of electromagnetic field on plasma oscillations in two-dimensional electronic systems with superstructure},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {54--60},
     publisher = {mathdoc},
     volume = {152},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2010_152_2_a7/}
}
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S. Yu. Glazov; E. S. Kubrakova. The influence of electromagnetic field on plasma oscillations in two-dimensional electronic systems with superstructure. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 152 (2010) no. 2, pp. 54-60. http://geodesic.mathdoc.fr/item/UZKU_2010_152_2_a7/