New type of conductivity oscillations in quantized films with rough walls

Details New type of conductivity oscillations in quantized films with rough walls New type of conductivity oscillations in quantized films with rough walls

2001-03-11

arxiv.org/abs/cond-mat/0103236v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, RevTeX, 4 eps-figures

Scientific paper

A new type of quantum size effect (QSE) oscillations is predicted for films with a relatively large correlation radius of surface inhomogeneities. The effect replaces usual QSE for random inhomogeneities with Gaussian and exponential power spectra. The well-pronounced oscillations of conductivity $\sigma $ as a function of channel width $L$ separate two distinct regions with different indices in the power-law dependence $\sigma (L) $. The oscillations are explained and their positions identified. The effect is reminiscent of magnetic breakthrough and can simplify observation of QSE in metals.

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