Time-delay autosynchronization of the spatiotemporal dynamics in resonant tunneling diodes -: art. no. 026204

被引：46
|
作者：
Unkelbach, J
Amann, A
Just, W
Schöll, E
机构：
[1] Tech Univ Berlin, Inst Theoret Phys, D-10623 Berlin, Germany
[2] TU Chemnitz, Inst Phys, D-09107 Chemnitz, Germany
[3] Queen Mary Univ London, Sch Math Sci, London E1 4NS, England
来源：
PHYSICAL REVIEW E | 2003年 / 68卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.68.026204
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The double barrier resonant tunneling diode exhibits complex spatiotemporal patterns including low-dimensional chaos when operated in an active external circuit. We demonstrate how autosynchronization by time-delayed feedback control can be used to select and stabilize specific current density patterns in a noninvasive way. We compare the efficiency of different control schemes involving feedback in either local spatial or global degrees of freedom. The numerically obtained Floquet exponents are explained by analytical results from linear stability analysis.
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页数：11
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