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超晶格电流振荡的分岔图和Poincaré映射 被引量:1

Bifurcation Diagrams and Poincaré Maps of Current-oscillations in Superlattices
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摘要  基于超晶格输运的分立漂移模型,数值模拟了掺杂弱耦合GaAs AlAs超晶格在外加交流偏压下电场畴的输运行为.以黄金分割比固定交流驱动频率,模拟并分析不同交流幅度下电流的准周期、锁频及混沌现象. The transportation behavior of electric\|field domains in a n\|doped weakly coupled GaAs/AlAs superlattices under dc+ac voltage bias is studied numerically within a discrete drift model.Fixing the ac driving frequency at the golden mean ratio,the quasiperiodicity\,frequency\|locking and chaos of the current for different ac amplitude are analyzed.
作者 张启义 田强
出处 《计算物理》 CSCD 北大核心 2003年第1期91-94,共4页 Chinese Journal of Computational Physics
基金 教育部高等学校骨干教师资助项目
关键词 超晶格 电流振荡 分岔图 POINCARÉ映射 分立漂移模型 输运行为 数值模拟 半导体 电场畴 superlattices current oscillation bifurcation diagram Poincaré map
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参考文献7

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同被引文献5

  • 1Kronig R L, Penney W G. Quantum mechanics of electrons in crystal lattices[J]. Proc Royal Soc London, 1931, A130:499
  • 2Hennig D, Tsironis G P. Wave transmission in nonlinear lattices[J]. Phys Reports, 1999, 307:333
  • 3Hennig D, Tsironis G P, Monina M I, et al. A nonlinear quasiperiodic Kronig-Penney model[J]. Phys Lett, 1994, A190:259
  • 4Tian Qiang, Wu Changshu. Solitons in superlattices: a tight-binding approach[J]. Phys Lett, 1999,A262: 83
  • 5Tian Qiang, Wang Jingping. Solitons and breathers of electromagnetic wave in superlattices[J]. Int J Theor Phys, 2002, 41:1275

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