One-dimensional Mott insulator formed by quantum vortices in Josephson junction arrays

被引：81
|
作者：
vanOudenaarden, A [1 ]
Mooij, JE [1 ]
机构：
[1] DELFT UNIV TECHNOL,DELFT INST MICROELECTR & SUBMICRON TECHNOL,2600 GA DELFT,NETHERLANDS
来源：
PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 26期
关键词：
D O I：
10.1103/PhysRevLett.76.4947
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The quantum transport of vortices in very long and narrow arrays of small Josephson junctions has been studied experimentally. The chemical potential of the system can be changed by an external magnetic field. When the vortex density is commensurate with the one-dimensional junction lattice, the vortex mobility vanishes for a finite window of the magnetic field. The localization of the vortices is due to the forming of a one-dimensional Mott insulator.
引用
收藏
页码：4947 / 4950
页数：4
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