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吴彬毅  段素青  赵宪庚 《中国物理》2004,13(9):1544-1548
By the numerical method, we show a transition process from static to dynamic electric-field domain formation in semiconductor superlattices. During this transition, there can be noticed a sawtooth-like zone in which static and dynamic electric-field domain zones appear alternatively with increasing voltage. Therefore, a dynamic dc voltage band emerges from each sawtooth-like branch of the current-voltage characteristic. These results are qualitatively in agreement with experiment.  相似文献   
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