Abstract
We investigate the occurrence of resonant intersubband optic phonon scattering in an array of quantum wires at high temperatures. Self-consistent solutions of the Schrödinger and Poisson equations with a subsequent Monte Carlo analysis of intersubband scattering reveal a strong resonant polar optic phonon coupling between subbands at the gate bias indicated by the experimental data. The observation of resonant scattering is only possible because the quasi-1D form of Gauss’ law shows an opposite trend to that for 2D systems in the dependence of the eigenenergy spectrum on gate bias.
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