Tunneling in an alternating potential: Multiple, fractal and chaotic activation resonances
School of Physics and Astronomy, Tel Aviv University,
Tel Aviv, Israel
Accepted: 17 November 1997
Tunneling through an alternating potential leads to activation. We predict its fractal (Hofstadter butterfly-type) and chaotic resonances, whose cut-offs are related to the alternating potential strength. At low frequencies activation exhibits strong dispersion and high-frequencies generation.
PACS: 13.40.Gp – Electromagnetic form factors / 03.65.Ge – Solutions of wave equations: bound states / 71.90.+q – Other topics in electronic structure
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