Dynamical localization and nondispersion of energy spectrum |
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| Authors: | Wei Zhang X. -G. Zhao |
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| Affiliation: | LCP, Institute of Applied Physics and Computational Mathematics, P.O. Box 8009 (26), Beijing 100088, People's Republic of China |
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| Abstract: | Within a finite band model, we present a proof of the theorem that dynamical localization happens if and only if the energy spectrum is dispersionless for an electron in a semiconductor superlattice under the influence of time-periodic electric fields. The electron may display several localization patterns. |
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| Keywords: | Dynamical localization Nondispersion Energy spectra |
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