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The non-perturbation theory of electronic dynamic conductivity for opentwo-barrier resonance tunnel structure is established for the first time withinthe model of rectangular potentials and different effective masses of electronsin the elements of nano-structure and the wave function linear over theintensity of electromagnetic field. It is proven that the results of the theoryof dynamic conductivity, developed earlier in weak signal approximation withinthe perturbation method, qualitatively and quantitatively correlate with theobtained results. The advantage of non-perturbation theory is that it can beextended to the case of electronic currents interacting with strongelectromagnetic fields in open multi-shell resonance tunnel nano-structures, asactive elements of quantum cascade lasers and detectors.

Non-perturbation theory of electronic dynamic conductivity for two-barrier resonance tunnel nano-structure