Macroscopic quantum effects in capacitively- and inductively-coupled intrinsic Josephson junctions

被引：1
|
作者：
Koyama, T. [1 ,3 ]
Machida, M. [2 ,3 ]
机构：
[1] Tohoku Univ, IMR, Sendai, Miyagi 9808577, Japan
[2] Japan Atom Energy Agcy, CCSE, Tokyo 1100015, Japan
[3] JST CREST, Kawaguchi, Saitama 3320012, Japan
来源：
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 5: SUPERCONDUCTIVITY | 2009年 / 150卷
关键词：
T-C SUPERCONDUCTORS; I-V CHARACTERISTICS; LAYERED SUPERCONDUCTORS;
D O I：
10.1088/1742-6596/150/5/052127
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A theory for macroscopic quantum tunneling (MQT) in intrinsic Josephson junction stacks is formulated. Both capacitive and inductive couplings between junctions are taken into account. We calculate the escape rate in the switching to the first resistive branch in the quantum regime. It is shown that the enhancement of the escape rate is caused mainly by the capacitive coupling between junctions in IJJ's with small in-plane area of similar to 1 mu m(2).
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页数：4
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