EFFECT OF MEMORY AND DYNAMICAL CHAOS IN LONG JOSEPHSON-JUNCTIONS

被引：11
|
作者：
YUGAY, KN
BLINOV, NV
SHIROKOV, IV
机构：
[1] Omsk State University, Institute of Sensor Microelectronics, Russian Academy of Sciences
来源：
PHYSICAL REVIEW B | 1995年 / 51卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.51.12737
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A long Josephson junction in a constant external magnetic field and in the presence of a dc bias current is investigated. It is shown that the system, simulated by the sine-Gordon equation, ''remembers'' a rapidly damping initial perturbation and final asymptotic states are determined exactly with this perturbation. Numerical solving of the boundary sine-Gordon problem and calculations of Lyapunov indices show that this system has a memory even when it is in a state of dynamical chaos, i.e, dynamical chaos does not destroy initial information having a character of rapidly damping perturbation. © 1995 The American Physical Society.
引用
收藏
页码：12737 / 12741
页数：5
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