Hofstadter butterflies in a modulated magnetic field: Superconducting wire network with magnetic decoration

被引：30
|
作者：
Iye, Y [1 ]
Kuramochi, E [1 ]
Hara, M [1 ]
Endo, A [1 ]
Katsumoto, S [1 ]
机构：
[1] Univ Tokyo, Inst Solid State Phys, Chiba 22785819, Japan
来源：
PHYSICAL REVIEW B | 2004年 / 70卷 / 14期
关键词：
D O I：
10.1103/PhysRevB.70.144524
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hofstadter butterfly spectra of tight-binding electron systems under spacially modulated magnetic fields are calculated. The dependence of the spectrum on the symmetry and strength of the spatially varying magnetic field is elucidated. The Little-Parks oscillation of the superconducting network under a spatially modulated magnetic field produced by decoration with mesoscopic magnetic structure exhibits behavior reproducing the edge of the corresponding Hofstadter spectra.
引用
收藏
页码：144524 / 1
页数：9
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