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CONDENSED MATTER

Effects of virtual transitions in a high-frequency field on electron transport in triple-barrier structures

A. B. Pashkovskii

State Scientific-Production Enterprise "Istok", Fryazino, Moskovskaya obl.

Abstract: High-frequency conductivity has been calculated for triple-barrier nanostructures at resonance diagonal transitions. It is shown that the neglect of transitions to side nonresonance quasi-levels in a high-frequency electric field leads in some cases to an overestimation of the maximum conductivity by $60\%$, an increase in the line width of more than $40\%$, and an increase in the integral conductivity by a factor of almost 2.5. In these cases, the transmission coefficient calculated with allowance made for side satellites is approximately 0.6 rather than 1.

PACS: 73.40.-c

Received: 26.03.2001
Revised: 04.05.2001

 English version: Journal of Experimental and Theoretical Physics Letters, 2001, 73:11, 617–620

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