Quantum phase transitions in dissipative Josephson junction arrays

被引：1
|
作者：
Moon, K [1 ]
机构：
[1] Yonsei Univ, Dept Phys, Seoul 120749, South Korea
[2] Yonsei Univ, IPAP, Seoul 120749, South Korea
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2005年 / 19卷 / 1-3期
关键词：
quantum phase transition; Josephson junction array; instantons;
D O I：
10.1142/S0217979205028839
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Quantum phase slips can induce a phase transition in a single Josephson junction by varying Coupling strength R-S to the dissipative environment. We Study the finite Josephson junction array with dissipations. For the infinite arrays with no dissipation, a quantum KT phase transition car) occur by varying the ratio of tire Josephson coupling strength E-J to the charging energy E-C due to the unbinding of instanton pairs. At finite temperature and array size, there will be a rich interplay between instantons and quantum phase slips.
引用
收藏
页码：471 / 474
页数：4
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