BAND-STRUCTURE OF COUPLED JOSEPHSON-JUNCTIONS IN THE PRESENCE OF A VORTEX

被引：6

作者：

GEIGENMULLER, U

SCHON, G

机构：

[1] Department of Applied Physics, Delft University of Technology, Delft, 2628 CJ

来源：

PHYSICA B | 1990年 / 165卷

关键词：

D O I：

10.1016/S0921-4526(09)80056-2

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We study the influence of an imposed vortex on the macroscopic quantum properties of a ring-shaped array of low-capacitance Josephson junctions. The symmetry associated with the vortex position modifies the band structure. The lowest band becomes parabolic with a curvature reflecting the vortex mass, and the lowest band gaps vanish. Correspondingly the fundamental frequency of the Bloch oscillation is reduced. © 1990, Elsevier Science Publishers B.V. (North-Holland). All rights reserved.

引用

页码：941 / 942

页数：2

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