Effects of capacitive coupling on the escape rate in intrinsic Josephson junction stacks

被引：7
|
作者：
Koyama, Tomio [1 ,3 ]
Machida, Masahiko [2 ,3 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Japan Atom Energy Inst, Ctr Promot Computat Sci & Engn, Tokyo 1100015, Japan
[3] JST CREST, Kawaguchi, Saitama 3320012, Japan
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2008年 / 69卷 / 12期
关键词：
D O I：
10.1016/j.jpcs.2008.06.059
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We formulate a macroscopic quantum theory that can describe the macroscopic quantum tunneling (MQT) in intrinsic Josephson junctions (IJJs). The capacitively coupled IJJ model is quantized in terms of the canonical quantization method. The multi-junction effect for the MQT to the first resistive branch is clarified. it is shown that the escape rate is greatly enhanced by the capacitive Coupling between junctions. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3232 / 3235
页数：4
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