Quantum dynamics of vortices in small magnetic particles

被引：10
作者：
Ivanov, B. A. [1 ,2 ]
Galkina, E. G. [3 ]
Galkin, A. Yu. [4 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Magnetism, UA-03142 Kiev, Ukraine
[2] Taras Shevchenko Kiev Natl Univ, UA-03127 Kiev, Ukraine
[3] Natl Acad Sci Ukraine, Inst Phys, UA-03142 Kiev, Ukraine
[4] Natl Acad Sci Ukraine, Inst Met Phys, UA-03142 Kiev, Ukraine
来源：
LOW TEMPERATURE PHYSICS | 2010年 / 36卷 / 8-9期
基金：
俄罗斯基础研究基金会;
关键词：
EASY-PLANE FERROMAGNETS; VORTEX; MOTION; SUPERCONDUCTORS; RELAXATION; SOLITONS; SYSTEMS;
D O I：
10.1063/1.3490861
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A collective variables approach based on the Thiele equation is used to construct an exact solution for the quantum dynamics of vortices in small, round magnetic particles. It is shown that knowledge of the dynamics of vortices in magnetic particles can be used to create mesoscopic quantum systems with specified distributions of energy levels and to control the rate of transitions between these levels by varying the particle geometry. (c) 2010 American Institute of Physics. [doi:10.1063/1.3490861]
引用
收藏
页码：747 / 751
页数：5
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