This article is cited in 16 papers

CONDENSED MATTER

Retardation effects in plasma oscillations of a bilayer structure

A. V. Chaplik<sup>ab

a</sup> Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia
^b Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 13, Novosibirsk, 630090, Russia

Abstract: The dispersion relations of plasma modes in a bilayer system and in a structure with a gate electrode have been studied beyond the quasistatic approximation. It has been shown that the existence of a weakly damping mode in the strong collision regime is ensured by a high conductivity of the 2D plasma. However, this condition is not threshold in contrast to the case of a single unscreened layer. The screening of the gate electrode significantly suppresses manifestation of retardation effects.

Received: 13.03.2015

DOI: 10.7868/S0370274X1508007X

 English version: Journal of Experimental and Theoretical Physics Letters, 2015, 101:8, 545–548

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