Frequency divider by underdamped Josephson transmission line

被引:1
|
作者
Khomeriki, R. [1 ,2 ]
机构
[1] Tbilisi State Univ, Dept Phys, GE-0128 Tbilisi, Georgia
[2] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
来源
EUROPEAN PHYSICAL JOURNAL B | 2009年 / 72卷 / 02期
基金
美国国家科学基金会;
关键词
PHASE-LOCKING; DYNAMICS; HYSTERESIS; RADIATION; SOLITONS;
D O I
10.1140/epjb/e2009-00295-y
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A parallel array of coupled short Josephson junctions under boundary ac driving is theoretically investigated. The driving response is monitored via numerical simulations on the associated Frenkel-Kontorova model as an oscillating output current at the other boundary junction. The theoretical analysis is conducted assuming the phase locking of boundary driving with exact stationary solution of sine-Gordon equation that can be represented by a kink (fluxon) motion back and forth in the restricted geometry of the array. As a consequence the results suggest the conception of a device which could switch to the conducting regime not according to intensity range but rather to given (quantized) frequency range. Moreover our findings indicate also a frequency converting scenario by choosing appropriately the system length and injected fluxon number.
引用
收藏
页码:257 / 261
页数:5
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