Forbidden activation levels in a non-stationary tunneling process

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4 Scopus citations


Tunneling in the presence of an opaque barrier, part of which varies in time, is investigated numerically and analytically in one dimension. Clearly, due to the varying barrier a tunneling particle experiences spectral widening. However, in the case of strong perturbations, the particles' activation to certain energies is avoided. We show that this effect occurs only when the perturbation decays faster than t-2.

Original languageEnglish
Pages (from-to)397-401
Number of pages5
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Issue number4
StatePublished - Jul 2002
Externally publishedYes


  • Single electron devices
  • Transport and tunneling


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